Question

if x+1/x=5 then x3+1/x3=?​

Answer 1

Answer:

65-------@

Step-by-step explanation:

accn to your;

x+1/x = 5

=> x + 1 = 5x

=> x = 1/4

so, x^3+1/x^3

=( 1/4) ^3 + 1 / (1/4) ^3

=> 65 ------ Ans .