1.

Find the cube root of the following:(i) -216(ii) -512

Answer»

(i) -216 = (-6) (1)1/3 = -6, -6ω, -6ω2

Hence, cube root of -216 = -6, -6ω, -6ω2

(ii) -512 = (-8) (1)1/3 = -8, - 8ω, -8ω2

Hence, cube root of -512 = -8, -8ω, – 8ω2



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