Question

P-1/p=3 then p^3-1/p^3=

Answer 1

Answer is above mentioned.

Answer 2

Answer: 18

Step-by-step explanation:

p - 1/p = 3

Cubing this, we get,

p^3 - 1/p^3 - 3 (p - 1/p) = 9

or, p^3 - 1/p^3 - 3x3 = 9

or, p^3 - 1/p^3 = 9 + 9

=18