Question

find the square root of 8 x 7 x 8 x 7​

Answer 1

Hii it's tom85

sqrt8*7*8*7

sqrt56*56

56

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Answer 2

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There are various method to solve it

1. Direct Method

$\sqrt{8 \times 7 \times 8 \times 7} \\ \sqrt{ {8}^{2} \times {7}^{2} } \\ 8 \times 7 \\ 56$

2. Multiplication Method

$\sqrt{8 \times 7 \times 8 \times 7} \\ \sqrt{3136} \\ = > 56$

3. Combination Method

$\sqrt{8 \times 8 \times 7 \times 7} \\ \sqrt{64 \times 49} \\ \sqrt{64} \sqrt{49} \\ 8 \times 7 \\ = > 56$

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