02. Vector Arithmetic: Problem 6 Previous Problem Problem List Next Problem (1 point) The vector is...
02. Vector Arithmetic: Problem 5 Previous Problem Problem List Next Problem (1 point) The vector 14 -6 | 17 23. is a linear combination of the vectors (-13.-.- -5] -5 [3] and -6 -10 [9 if and only if the matrix equation Az = bhas a solution ] ... where
04 Linear systems: Problem 16 Previous Problem Problem List Next Problem (1 point) Find a and b such that Note: You can earn partial credit on this problem. Preview My Answers Submit Answers
HW14- A Sec9.4 Linear System P1: Problem 1 Previous Problem Problem List Next Problem (1 point) Express the system of differential equations in matrix notation. xx1X2 + x3 = X4 x2X1X4 -X3 Note: Enter x1 as x1, xf as x1p, etc. Enter sqrt{pi) as Note: You can earn partial credit on this problem. C Submit Answers Preview My Answers
Previous Problem Problem List Next Problem (1 point) Find the derivative of the vector function r(t) = ta x (b + tc), where a = (2, -4,-2), b = (3,1,5), and c = (2,1, -2). r'(t) =( Note: You can earn partial credit on this problem Preview My Answers Submit Answers You have attempted this problem 0 times. You have unlimited attempts remaining. Email WebWork TA
HW03 linear systems: Problem 6 Previous Problem Problem List Next Problem 1 point) Solve the system y-11 714y35 If there is no solution, enter NONE in both answer blanks. Note: You can earn partial credit on this problem. Preview My Answers Submit Answers You have attempted this problem 0 times. You have unlimited attempts remaining. Email instructor
Section 1.4 Matrix Algebra: Problem 11 Previous Problem Problem List Next Problem (1 point) Find the inverse of AB if and (AB)- Note: You can earn partial credit on this problem Preview My Answers Submit Answers
06.Matrix Factorization: Problem 11 Previous Problem Problem List Next Problem (1 point) Find the LU factorization of -E 2 2 A 4 That is, write A LU where L is a lower trianqular matrix with ones on the diagonal, and U is an upper triangular matrix A Note: You can eam partial credit on this problem Preview My Answers Submit Answers You have attempted this problem 0 times
Previous Problem List Next (1 point) if y = as is a solution to the differential equation đ -114 + y = 0, find the value of the constant k and the general solution to this equation. k= 30 y= A exp(5t)+B exp(5t) (Use constants A, B, etc., for any constants in your solution formula.) Note: You can earn partial credit on this problem. Preview My Answers Submit Answers You have attempted this problem 2 times. Your overall recorded score...
HW 2: Problem 1 Previous Problem List Next (1 point) Find the vector in IR2 from point A (2,-8) to B (3,7) AB help (vectors) Preview My Answers Submit Answers You have attempted this problem 0 times You have unlimited attempts remaining Email instructor
ssignment6: Problem 9 Previous Problem Problem List Next Problem (1 point) The area A of the region Sthat lies under the graph of the continuous function f on the interval (a, b) is the limit of the sum of the areas of approximating rectangles: A = lim (f(21)Ar + f(x2)Ax+...+f(xn)Ax] = lim f(x;)Az, n-> ng i=1 where Ax = b and Ti = a +iAr. The expression A = lim Itan(n) 7200 6n2 gives the area of the function f(x)...