Se the function to show that fx(0, 0) and fy(0, 0) both exist, but that f is not differentiable at (0, 0). f(x, y) = 9x2y x4 + y2 , (x, y) ≠ (0, 0) 0, (x, y) = (0, 0)

It is proved that exixts at (0,0) but not differentiable there.

Step-by-step explanation:

Given function is,

   exists.

And,

  exists.

 where m is a variable.

which depends on various values of m, therefore limit does not exists. So f(x,y) is not continuous at (0,0). Hence it is not differentiable at (0,0).

what is the approximate angle of acb if abc is 25cm and the length of segment bc is 15

step-by-step explanation: