Question: If a, b are the complex cube roots of unity, then a3 + b3 + a–2b<s...

Question

If a, b are the complex cube roots of unity, then

a³ + b³ + a^–2b^–2is equal to –

Answer 1

Sol. w³ + w⁶ + $\frac{1}{\omega^{2}.\omega^{4}}$ = 3

Question: If a, b are the complex cube roots of unity, then a<sup>3</sup> + b<sup>3</sup> + a<sup>–2</sup>b<s...