Question

21. if P(x) = x + x2 – 1, then find the value of P (1)+P (-1).​

Answer 1

Answer:

0

Step-by-step explanation:

P (1)+P (-1)

{(1)+(1)²-1] + {(-1)+(1)²-1]

(1+1-1) + (-1+1-1)

1-1

0