Question

plz someone help me to do this no. ​

Answer 1

Answer:

Take cube both sides,

( p + 1/p) ^3 = 3^3

p^3 + 1/p^3 + 3( p + 1/p) = 27

p^3 + 1/p^3 + 3*3 = 27

p^3 + 1/p^3 = 18

Answer 2

Answer:

hope this helps u......