Question

if x+1\x=7find x3+1\x3=?​

Answer 1

Step-by-step explanation:

x+1/x=7

x+1=7x

1=7x-x=6x

1/6=x

x³+1/x³

1+1/x³

1+1/(1/6)³

=1+1/1/216=1+216=217.

Answer 2

Answer:

answer attached in photo