The derivative of x^2-1 at x=10 is

1.	The derivative of x^2-1 at x=10 is
Answer» x^2-1Differentiating with respect to x , we haveDy/dx=d/dx(x^2-1)Dy/dx=d/dx(x^2)- d/dx (1) =2x - 0 =2xSince x=10therefore 2x=2*10 =20

Discussion