Question

72 x 1/4 - Find the square root of this number by factorization.

Answer 1

3 root 2 is your answer ........

Answer 2

Write the given Numbers into

product of prime factors.

72 = 2×2×2×3×3

4 = 2×2

Now ,

√72/4

= √ (2×2×2×3×3)/(2×2)

After cancellation ,we get

= √[(3×3)×2]

= 3√2

Therefore ,

√72×1/4 = 3√2

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