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Problem #3: According to the integral estimate, what is the smallest number of terms of the...
Problem #11: Let v1 = (-1,2,-1) and v2 = (-2,-1,-2). Which of the following vectors are in span{V1, V2}? (i) (-3,1,-2) (ii) (-5,0,-4) (iii) (-8, 1,-7) (A) none of them (B) (i) and (ii) only (C) (i) only (D) (iii) only (E) (ii) only (F) all of them (G) (i) and (iii) only (H) (ii) and (iii) only Problem #11: Select Just Save Submit Problem #11 for Grading Attempt #1 Attempt #2 Attempt #3 Problem #11 Your Answer: Your Mark:
Please answer part a and b :) Which of the following vector fields are conservative? (i) F(x, y) = (9y8 +3) i + (8x8y' +7) j (ii) F(x,y) = (8ye8x + cos 3ji + (e8x + 3x sin 3jj (iii) F(x,y)-7y2e7xyİ + (7 +xy) e7xyj (A) all of them (B) (iii) only (C) (i) and (ii) only (D) (i) and (iii) only (E) none of them (F) (ii) and (iii) only (G) (ii) only (H) (i) only st Save Submit...
Problem #7: Which of the following statements are always true for vectors in R3? (i) If u (vx w)-4 then w - (vxu)-4 (ii) (5u + v) x (1-40 =-21 (u x v) (ili) If u is orthogonal to v and w then u is also orthogonal to w | V + V W (A)( only (B) (iii) only (C) none of them (D) (i) and (iii) only (E) all of them (F) (i) only (G)i and (ii) only (H)...
Problem #2: Evaluate the following, 1000 f(x2 + 8) dx, and write your answer in the form g(x) e-10x + C. Enter the function g(x) into the answer box below. Enter your answer as a -100*(x^2)-20*x+790 symbolic function of X, as in these examples -100x2 – 20x + 790 Problem #2: Just Save Submit Problem #2 for Grading Attempt #3 Attempt #4 Attempt #5 Problem #2 Attempt #1 Attempt #2 Your Answer: -(100x² + 20x + 810) -100.x2 - 20x...
Problem # 8: Evaluate the following integral by making an appropriate change of variables. fsinln4ldn where R is the region inside the ellipse 492 +64y2 - 1 Enter your answer symbolically as in these examples Problem #8: Submit Problem #8 for Grading Just Save Problem #8 | Attempt #1 Your Answer: | Attempt #2 | Attempt #3 Attempt #4 Attempt #5 Your Mark: Problem # 8: Evaluate the following integral by making an appropriate change of variables. fsinln4ldn where R...
Problem #6: Consider the following integral equation, so called integral because the unknown dependent variable y appears within an This equation is defined for t0 (a) Use convolution and Laplace transforms to find the Laplace transform of the solution (b) Obtain the solution y(t) Enter your answer as a symbolic function of s, as in these examples Problem #6(a): Enter your answer as a symbolic function of t, as in these examples Problem #6(b): Just Save Submit Problem #6 for...
Problem #4: Evaluate ydA, where D is the triangular region with vertices (0, 0), (4,32), and (20,0) Enter your answer symbolically as in these examples Problem #4: Just Save Submit Problem #4 for Grading Problem #4 | Attempt #1 Your Answer: | Attempt #2 | Attempt #3 Attempt #4 Attempt #5 Your Mark: Problem #4: Evaluate ydA, where D is the triangular region with vertices (0, 0), (4,32), and (20,0) Enter your answer symbolically as in these examples Problem #4:...
Problem #8: Consider the following integral equation, so called because the unknown dependent variable y appears within an integral sin[4(t- w) y(w) dw = 82 This equation is defined for t z 0. (a) Use convolution and Laplace transforms to find the Laplace transform of the solution (b) Obtain the solution y(t) Enter your answer as a symbolic function of s, as in these examples Problem #8(a) Enter your answer as a symbolic function of t, as in these examples...
Problem #13: Find the radius of convergence of the following power series. (5x-8)" Σ M=1 Problem #13: Just Save Your work has been saved! (Back to Admin Page) Submit Problem #13 for Grading Attempt #1 Attempt #2 Attempt #3 Problem #13 Your Answer: Your Mark:
Problem #2: Let X be an exponentially distributed random variable with with 1 = . What is Var(X)? Problem #2: Just Save Submit Problem #2 for Grading Attempt #1 | Attempt #2 | Attempt #3 Attempt #4 Attempt #5 Problem #2 Your Answer: Your Mark: