Question

If
$\frac{x}{y} + \frac{y}{x} = - 1$
where x, y is not equal to 0, then find the value of
$x ^{3} - y ^{3}$

Answer 1

Hi...dear...
here is your answer!!!.....
see picture!!!
...the answer will come zero.
simply take LCM and transfer all Terms to LHS.
and use formula of a^3-b^3 and factorise!!
Regards Brainly Star Community
#shubhendu