Q1 of 11 Page 18

Find the cube root of the following numbers.

-512

First find factors of - 512


-512 = (-8) × (-8) × (-8)


For finding the cube root, we pair the prime factors in 3’s.


= (-8)3


i.e. cube root of -512 = (- 512)1/3 = (-83)1/3 = -8 (answer).


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