Question

If P+1/p=7 then find the value of p^3+1/p^3?

Answer 1

Answer:

it is your answer

p=-1/7

Answer 2

Answer:

{p+1/p}^3=(7)^3

p^3+1/p^3+3×p×1/p(p+1/p)=343

p^3+1/p^3+3×7=343

p^3+1/p^3=343-21

p^3+1/p^3=322