Question

what is the answer to this question
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Answer 1

Answer:

0 (zero).

Step-by-step explanation:

$\frac{a}{b} + \frac{b}{a} = - 1 \\ simplifying \: \: {a}^{2} + {b}^{2} + ab = 0 \\ thus \: {a}^{3} - {b}^{3} = (a - b) \times 0 =0 \\ (by \: formula \: of \: {a}^{3} - {b}^{3} )$