Question

if one by x is equal to root 2 evaluate x cube + 1 by x cube​

Answer 1

Answer:

if one by x =root2 then x=2 by root 2.

Step-by-step explanation:

so.x^3+1/x=(2/root 2)^3+(root 2)^3

=(1 by root 2)^3+2 root 2

=1/2root 2+2 root 2

=(1+8)/2 root 2

=9/2 root 2

=(9root 2)/4 ANS.