Question

Please tell me. Who will give correct, I'll make him or her brainliest.​

Answer 1

Answer:

0

Step-by-step explanation:

Given p(x)=x³-x²+x+1

Now,

p(1)=(1)³-(1)²+(1)+1

⇒1-1+1+1

⇒2

∴p(1)=2

similarly

p(-1)=(-1)³-(1)²+(-1)+1

⇒-1-1-1+1

⇒-2

∴p(-1)=-2

substitute in the given question

⇒p(1)+p(-1)/2

⇒2-2/2

⇒0/2

⇒0

∴p(1)+p(-1)/2=0