BBA-DBE Bangalore: ArithmeticIdentities. Free, no login required.

Q1:

BBA-DBE Bangalore 2025

Identities

Medium

If 1,ω,ω21, \omega, \omega^2 are the cube roots of unity, then the value of 1+9+11ω2ω2+9+11ω+3+5ω+7ω23ω+5ω2+7\dfrac{1+9+11\omega^2}{\omega^2+9+11\omega} + \dfrac{3+5\omega+7\omega^2}{3\omega+5\omega^2+7} is:

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