Question

square root of 441 is​

Answer 1

Answer:

21

Step-by-step explanation:

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Answer 2

Answer:

Find the square root of 441 by prime factorisation method

We have to find the square root of 441.

By using the prime factorization method we are going to find the square root of a given number :

441=3×147

=3×3×49

=3×3×7×7

$= {3}^{2} \times {7 }^{2} \\ \sqrt{441 } = \sqrt{ } {3}^{2} \times {7}^{2} \\ \\ \sqrt{441} = 3 \times7 \\ \\ \sqrt{441 } = 21$

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