Math, asked by Prabhjotkhepar132, 1 year ago

if x-1/x=3, find the value of x ³-1/x³


Prabhjotkhepar132: what's its answer it is very important

Answers

Answered by Anonymous
2
By formula :-
(x-1/x)³ = x³-( 1/x)³ -3x×1/x (x-1/x)
putting the value of given ,
(3)³ = x³-(1/x)³ -3 (3)
27 = x³-(1/x)³ -9
so, x³-(1/x)³ = 36.
Hope it helps....
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