Kizspy | Question: 40
(Choose 1 answer)
(See picture)
A. (i)
B. (ii)
C. (iii)
D. (iv)
Let f(x,y)=sin(3x+2y)+cos(2x-3y) What is the value of the gradient of f(x,y)at(\pi/4,-\pi/4) ?
(i) [-1/\sqrt{2}, 2√2]
(ii) [5/\sqrt{2}, -1/\sqrt{2}]
(iii) [1/\sqrt{2},2\sqrt{2}]
(iv) [-5/\sqrt{2}, 1/\sqrt{2}]
