Question

If (5)ᵖ⁻⁸ = 1, then find the value of p is

Answer 1

Answer:

We know x<0, then P(x)=−x

5

+x

4

+36x−36

⇒P(−1)=−(−1)

5

+(−1)

4

+36(−1)−36

⇒P(−1)=1+1−36−36

⇒P(−1)=2−72=−70