Question

PLS HELPPPPP

if y = (x^2 + x +1) (x^3 - x - 1) then y ‘(2)=

Answer 1

(1)+(2) Substitute Y from (2) in (1):

X2+(1−X)2=1X2+(1−X)2=1

...

2X(X−1)=02X(X−1)=0

Hense X= 0 or X = 1.

by-step explanation: