Question

find all the critical points of the function:

f(x)= x^2 / x+1

what do i do first?

Answer 1

critical points of a function is given when the functions goes to zero. so equate the whole function to zero and find x

Answer 2

differentiate

Answer 3

and set the derivative equal to zero

Answer 4

so can i rewrite it as x^2-x+1=0 ?