Q96 of 142 Page 88

Using prime factorisation, find the square roots of
(a) 11025 (b) 4761

(a) Given: 11025

Factors of 11025 = 3 × 3× 5× 5× 7× 7

Then square roots of 11025 = 3 × 5 × 7

= 105

(b) Given: 4761

Factors of 4761 = 3 × 3× 23× 23

Then square roots of 4761 = 3 × 23

= 69

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Using prime factorisation, find the cube roots of

(a) 512 (b) 2197

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Using prime factorisation, find the square roots of(a) 11025 (b) 4761