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Let S = {1 + 3x, 1 − 5x2}. Which of the following polynomials could be...
Let S = {1 + 3x, 1 − 5x2}. Which of the following polynomials could be added to the set S to form a basis for P2? (i) 2 + 3x − 6x2 (ii) 4 + 3x − 16x2 (iii) 9 + 15x − 21x2 (A) all of them (B) (i) and (ii) only (C) (i) and (iii) only (D) (ii) and (iii) only (E) none of them (F) (i) only (G) (ii) only (H) (iii) only
Can you help me? This is linear algebra. 3. (6) Let B-(1-3r,x +2x2,1-3x-8x2,2+x-5x2) be the set of vectors in P a) Is the set B a basis for P2? Justify. If it is not a basis for P, then extend B to a basis for P2 Calculator is allowed b) Use the basis found in part (a) to find the coordinate vector of f--1-3x-5x2 Calculator is allowed 3. (6) Let B-(1-3r,x +2x2,1-3x-8x2,2+x-5x2) be the set of vectors in P a)...
Let P3 be the vector space of all polynomials of degree 3 or less. Let S = {p1 (t), p2(t), p3 (t), p4(t)}, Q = span{pı(t), p2(t), P3 (t), p4(t)}, where pi(t) =1+3+ 2+2 – †, P2(t) = t +ť, P3(t) = t +ť? – ť, p4(t) = 3 + 8t+8+3. The basis B of Q chosen from the set S is given by: Select one alternative: O pi(t), p2(t), pä(t) Opı(t), p3(t), p4(t) O pi(t), p2(t), pä(t), p4(t) O...
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:
Problem #3: Let A, B, C, and D be matrices with the following sizes: A, 7x5 B, 5x4 C, 5x7 D, 1X5 Which of the following matrix operations are defined? (1) AB (ii) A+{c (iii) DC (A) (i) and (iii) only (B) all of them (C) (ii) only (D) none of them (E) (iii) only (F) (i) only (G) (i) and (ii) only (H) (ii) and (iii) only
Problem #9: Which of the following functions is continuous at (0,0)? () S(x, y) = x + 3yt if (x,y) # (0,0) if (x, y) = (0,0) x2 394 (ii) g(x, y) to + if (x, y) + (0,0) if (x, y) = (0,0) (iii) h(x, y) V22 + y2 + 1 - 1 x² + y² if (x, y) + (0,0) if (x,y) = (0,0) (A) none of them (B) (iii) only (C) (ii) only (D) all of them...
(i) Show that R is a subring of the polynomial ring Rx. | R{]4 (ii) Let k be a fixed positive integer and be the set of all polynomials of degree less than or equal to k. Is R[xk a subring of R[a]? 2r4+3x - 5 when it is (iii) Find the quotient q(x divided by P2(x) of the polynomial P1( and remainder r(x) - 2c + 1 in - (iv) List all the polynomials of degree 3 in Z...
Question 2: For this question, consider the non-standard pairing on the space of real polynomials P given by g) = Lif(t)g(x).rº dr. (a) Prove that (,) defines an inner product on P. (b) Let O be the set of odd polynomials, i.e. f(r) € P such that f(x)= -f(-r). Show that is a subspace of P. (c) Explain why g() = 5x2 - 3 is in 0+ (the orthogonal complement of O with respect to (>). (d) Let P<2 denote...
Problem #10: Which of the following sequences converge? (i) an (-1)n+1 n n2 - 7 (-1)" n2 n? - (iii) an = cos(NT) (iv) an= sin(nn) (ii) an= -9 (A) (i) only (B) (ii) only (C) (i) and (iv) only (D) (i) and (iii) only (E) (ii) and (iii) only (F) (ii) and (iv) only (G) all of them (H) none of them
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...