Q1 of 11 Page 18

Find the cube root of the following numbers.

729

First find factors of 729


729 = 9 × 9 × 9


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


= 93


i.e. cube root of 729 = (729)1/3 = (93)1/3 = 9 (answer).


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2

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(2) Cube of 4th root of 324.


(3) 5th root of square of 264.


(4) Cube of cube root of 3.

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