Question

Find x^3 + 1/x^3
When x=. Cube root of 2 and root 3

Answer 1

Hey mate,
here is your answer...

let X be 2,
therefore, a possible situation is...
2^3 + 1/2^3
= 8 + 1/8
= taking lcm as 8,
64+1
-------
8

=65
------ answer...
8


now, let X is equal to 3,
therefore, possible solution is..
3^3 + 1/3^3
=9+ 1/9
taking lcm as 9,
we get,
81+1
--------
9

= 82/9...
answer....hope it helps...
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