If , , are cube roots of -8, then what is ^2p^2+ ^2q^2+ ^2r^2 ^2p^2+ ^2q^2+ ^2r^2 equal to?

NDA 2026 Mathematics question

If are cube roots of , then what is equal to?

Answer: (B)

The cube roots of are , where is a complex cube root of unity. Take , , , so , , . Numerator and

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Question ID VK-030256