Question

Square root of 15.21 please tell step by step​

Answer 1

Answer:

hloo..

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1521 / 3 = 507

507 / 3 = 169

169 is 13 * 13 (it helps to know some of these)

So, the square root of 1521 is 3 * 13 (because there are two of each of these prime factors), which is 39.

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