· Use the definition of the derivative of complex function to show that f(z) is not dif- ferentiable at z = 0 where f(z) = 0, if z + 0; if z = 0.

Q: 17. f(y) 2 3 your 1³

A: Given, .

Q: f(x, y) = ln(-6x – 4y), (5,6), A=6i + 8j 14 17 A) 135 135 B) C)/17 D) 11 135

A: Duf=∇f·uu

Q: Use the definition of the derivative to find the derivative of the function f(x) = 3/x and g(x) =…

A: Given f(x) = 3x then f'(x) = limh→0f(x+h)-f(x)h= limh→03x+h-3xh= limh→03x-3x-3hx(x+h)h=…

Q: xy2+5x2-3y2+45=0  (1,5)   Evaluate the derivative at the given function point.

A: We have to find derivative

Q: Let f(x) = r - 3z2 - 1. Calculate the derivative

A:

Q: 1 Find the derivative of (Vx-3x) x+= X

A:

Q: Evaluate the derivative of the function: x2 f(x) = ( x²+1 8x (æ²+1)° O 8a(a² –1) (2²+1) O 1 4x…

A: Use the chain rule for finding the derivative

Q: If f(x,y) is a real valued function of two variables then what is the second derivative of f?

A: