Question

if p(x)=x³-x²+x+1, then find the value of p(1)+p(-1)​

Answer 1

Step-by-step explanation:

p(x) = x³ - x² + x + 1

p(1) = 1 - 1 + 1 + 1 = 2

p(-1) = -1 - 1 - 1 + 1 = -2

So , p(1) + p(-1) = 2 +(-2) = 2-2 = 0