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13 Suppose fis a continuous function on R', with period 1. Prove that...
31 (a) If fis integrable, prove that fa is integrable. Hint: Given e>0, let h and...
31 (a) If fis integrable, prove that fa is integrable. Hint: Given e>0, let h and k be step functions such that h f k and j (k-h) < ε/M, where M is the maximum value of Ik(x) +h(x)]. Then prove that h and k2 are step functions with h' srsk (we may assume that OShSSk since f is integrable if and only if I is-why?), and that I (k2 - h2) <e. Then apply Theorem 3.3. (b) If fand...
are defined on the interval a <t< b #14. Assume that the real functions f(t) and...
are defined on the interval a <t< b #14. Assume that the real functions f(t) and p(t) that f is positive and continuous and p is integrable. Prove that f(t)e'dt< f(t)dt, a. a and that equality holds if and only if the function p assumes the same value mod 27r in all its points of continuity
are defined on the interval a
2. Let f: R R be a continuous function. Suppose that f is differentiable on R\{0} and that there exists an L e R such that lim,of,(z) = L. Prove that f is differentiable at 1-0 with f,(0) = L. (Hint:...
2. Let f: R R be a continuous function. Suppose that f is differentiable on R\{0} and that there exists an L e R such that lim,of,(z) = L. Prove that f is differentiable at 1-0 with f,(0) = L. (Hint: Use the definition of derivative and then use mean value theorem)
2. Let f: R R be a continuous function. Suppose that f is differentiable on R\{0} and that there exists an L e R such that lim,of,(z) =...
1. Let f:R → R be the function defined as: 32 0 if x is rational...
1. Let f:R → R be the function defined as: 32 0 if x is rational if x is irrational Prove that lim -70 f(x) = 0. Prove that limc f(x) does not exist for every real number c + 0. 2. Let f:R + R be a continuous function such that f(0) = 0 and f(2) = 0. Prove that there exists a real number c such that f(c+1) = f(c). 3 Let f. (a,b) R be a function...
Real analysis 10 11 12 13 please (r 2 4.1 Limit of Function 129 se f: E → R, p is a limit point of E, and li...
Real analysis
10 11 12 13 please
(r 2 4.1 Limit of Function 129 se f: E → R, p is a limit point of E, and limf(x)-L. Prove that lim)ILI. h If, in addition, )o for all x E E, prove that lim b. Prove that lim (f(x))"-L" for each n E N. ethe limit theorems, examples, and previous exercises to find each of the following limits. State which theo- rems, examples, or exercises are used in each case....
Suppose we tried to apply our real analysis definitions/methods to the set of rational numbers Q....
Suppose we tried to apply our real analysis definitions/methods
to the
set of rational numbers Q. In other words, in the definitions, we
only
consider rational numbers. E.g., [0, 1] now means [0, 1] ∩ Q, etc.
In
this setting:
(a) Find an open cover of [0, 1] that contains no finite subcover.
Hint:
Fix an irrational number α ∈ [0, 1] (as a subset of the reals
now!)
and for each (rational) q ∈ [0, 1] look for an...
3. Suppose f : [0,) + R is a continuous function and that L limf(x) exists...
3. Suppose f : [0,) + R is a continuous function and that L limf(x) exists is a real number). Prove that f is uniformly continuous on (0,.). Suggestion: Let e > 0. Write out what the condition L = lim,+ f(t) means for this e: there erists M > 0 such that... Also write out what you are trying to prove about this e in this problem. Note that f is uniformly continuous on (0.M +1] because this is...
real analysis 1,3,8,11,12 please 4.4.3 4.4.11a Limits and Continuity 4 Chapter Remark: In the statement of T...
real analysis
1,3,8,11,12 please
4.4.3
4.4.11a
Limits and Continuity 4 Chapter Remark: In the statement of Theorem 4.4.12 we assumed that f was tone and continuous on the interval I. The fact that f is either stric tric. strictly decreasing on / implies that f is one-to-one on t one-to-one and continuous on an interval 1, then as a consequence of the value theorem the function f is strictly monotone on I (Exercise 15). This false if either f is...
real analysis problem 1. sequence and series 2. 3. prove that please show me detail (for...
real analysis problem
1. sequence and series
2.
3. prove that
please show me detail (for beginner)
please don't use hand writing. please use typing
when. lima, –2. owe that lim (A -> ] when, lima, = 2, solve that lim (1-x) when f (x) = - n=in (a) show that given series are uniformly convergence in R (-00,00), (b) prove that f is uniformly continuous function in R (-00,00) prove with Taylor series (a) Σ = 6 (6) ΣΕΙ"...
real analysis 1,2,3,4,8please 5.1.5a Thus iff: I→R is differentiable on n E N. is differentiable on / with g'...
real analysis
1,2,3,4,8please
5.1.5a
Thus iff: I→R is differentiable on n E N. is differentiable on / with g'(e) ()ain tained from Theorem 5.1.5(b) using mathematical induction, TOu the interal 1i then by the cho 174 Chapter s Differentiation ■ EXERCISES 5.1 the definition to find the derivative of each of the following functions. I. Use r+ 1 2. "Prove that for all integers n, O if n is negative). 3. "a. Prove that (cosx)--sinx. -- b. Find the derivative...
31 (a) If fis integrable, prove that fa is integrable. Hint: Given e>0, let h and k be step functions such that h f k and j (k-h) < ε/M, where M is the maximum value of Ik(x) +h(x)]. Then prove that h and k2 are step functions with h' srsk (we may assume that OShSSk since f is integrable if and only if I is-why?), and that I (k2 - h2) <e. Then apply Theorem 3.3. (b) If fand...
are defined on the interval a <t< b #14. Assume that the real functions f(t) and p(t) that f is positive and continuous and p is integrable. Prove that f(t)e'dt< f(t)dt, a. a and that equality holds if and only if the function p assumes the same value mod 27r in all its points of continuity
are defined on the interval a
2. Let f: R R be a continuous function. Suppose that f is differentiable on R\{0} and that there exists an L e R such that lim,of,(z) = L. Prove that f is differentiable at 1-0 with f,(0) = L. (Hint: Use the definition of derivative and then use mean value theorem)
2. Let f: R R be a continuous function. Suppose that f is differentiable on R\{0} and that there exists an L e R such that lim,of,(z) =...
1. Let f:R → R be the function defined as: 32 0 if x is rational if x is irrational Prove that lim -70 f(x) = 0. Prove that limc f(x) does not exist for every real number c + 0. 2. Let f:R + R be a continuous function such that f(0) = 0 and f(2) = 0. Prove that there exists a real number c such that f(c+1) = f(c). 3 Let f. (a,b) R be a function...
Real analysis
10 11 12 13 please
(r 2 4.1 Limit of Function 129 se f: E → R, p is a limit point of E, and limf(x)-L. Prove that lim)ILI. h If, in addition, )o for all x E E, prove that lim b. Prove that lim (f(x))"-L" for each n E N. ethe limit theorems, examples, and previous exercises to find each of the following limits. State which theo- rems, examples, or exercises are used in each case....
Suppose we tried to apply our real analysis definitions/methods
to the
set of rational numbers Q. In other words, in the definitions, we
only
consider rational numbers. E.g., [0, 1] now means [0, 1] ∩ Q, etc.
In
this setting:
(a) Find an open cover of [0, 1] that contains no finite subcover.
Hint:
Fix an irrational number α ∈ [0, 1] (as a subset of the reals
now!)
and for each (rational) q ∈ [0, 1] look for an...
3. Suppose f : [0,) + R is a continuous function and that L limf(x) exists is a real number). Prove that f is uniformly continuous on (0,.). Suggestion: Let e > 0. Write out what the condition L = lim,+ f(t) means for this e: there erists M > 0 such that... Also write out what you are trying to prove about this e in this problem. Note that f is uniformly continuous on (0.M +1] because this is...
real analysis
1,3,8,11,12 please
4.4.3
4.4.11a
Limits and Continuity 4 Chapter Remark: In the statement of Theorem 4.4.12 we assumed that f was tone and continuous on the interval I. The fact that f is either stric tric. strictly decreasing on / implies that f is one-to-one on t one-to-one and continuous on an interval 1, then as a consequence of the value theorem the function f is strictly monotone on I (Exercise 15). This false if either f is...
real analysis problem
1. sequence and series
2.
3. prove that
please show me detail (for beginner)
please don't use hand writing. please use typing
when. lima, –2. owe that lim (A -> ] when, lima, = 2, solve that lim (1-x) when f (x) = - n=in (a) show that given series are uniformly convergence in R (-00,00), (b) prove that f is uniformly continuous function in R (-00,00) prove with Taylor series (a) Σ = 6 (6) ΣΕΙ"...
real analysis
1,2,3,4,8please
5.1.5a
Thus iff: I→R is differentiable on n E N. is differentiable on / with g'(e) ()ain tained from Theorem 5.1.5(b) using mathematical induction, TOu the interal 1i then by the cho 174 Chapter s Differentiation ■ EXERCISES 5.1 the definition to find the derivative of each of the following functions. I. Use r+ 1 2. "Prove that for all integers n, O if n is negative). 3. "a. Prove that (cosx)--sinx. -- b. Find the derivative...
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