Question : 81) A) 0 B) 3 C) 6 D) No limit 82) : 1757188 81) A) 0 B) 3 C) 6 D) No limit 82) A) 1/16 B) 2 C) 0 D) 16 83) A) 12 B) 0 C) 6 D) No limit 84) A) -6 B) 0 C) -5 D) ∞ 85) f(x, y) = 86) f(x, y) = 87) f(x, y) = Solution 5 (1 Ratings ) Solved Mathematics 7 Months Ago 52 Views This Question has Been Answered! View Solution Related Answers 88) f(x, y) = 89) f(x, y) = 90) f(x, y) = 91) f(x, y) = 92) f(x, y) =... 93) f(x, y) = ex+y A) All (x, y) ≠ (0, 0) B) All (x, y) satisfying x + y ≥ 0 C) All (x, y) in... 101) A) 1 B) π C) 0 D) π/2 102) f(x, y) = x2y + xy2/x2 + y2 A) 1 B) 2 C) 0 D) No limit 103)... 111) f(x, y) = (7x5y3 + 9)2 A) ∂f/∂x = 2(7x5y3 + 9); ∂f/∂y = 2(7x5y3 + 9) B) ∂f/∂x = 42x5y2(7x5y3 + 9); &#... 121) f(x, y) = cos (xy2) 122) f(x, y) = x ln (y - x) 123) f(x, y) = xy2 + yex2 + 5 124) f(x, y) =... 131) f(x ,y, z) = (sin xy)(cos yz2) A) ∂f/∂x = (y cos xy)(cos yz2); ∂f/∂y = (z2 sin xy)(sin yz2)- (x cos xy)(cos yz2); ∂f ... 141) w(x, t) = ln 2cxt A) No B) Yes 142) w(x, t) = cos (3ct) sin (3x) A) Yes B) No 143) w(x, t) = ex - ct A)... 151) f(x, y, z) = cos (-7x) sin (-2y) e( 53z) A) No B) Yes 152) Evaluate dw/dt at t = 3/2 π for the function w(x,... 161) Evaluate ∂u/∂y at (x, y, z) = (2, 2, 0) for the function u(p, q, r) = epq cos(r); p = 1/x, q =... 171) ∂u/∂x for u = f(r, s, t); r = g(y), s = h(z), t = k(x, z) 172) Find dy/dx at the point (1, 1)...
