Question

Find :p(x)=x^3-3x^2-2x+6at x=✓2

Answer 1

answer is 3.

estimating the value be 3  

x = 3  

x3 - 3x2 + 2x -6

(3*3*3) -3*3*3 +2*3 -6

27 - 27 +6 _6

0

hence the value of x is 3 .