Question

solve it fast and give me the answer​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

$a. \sqrt{ {3}^{2} + {4}^{2} } \\ = \sqrt{9 + 16 } \\ = \sqrt{25} \\ = 5$

$b. \sqrt{147 \times \sqrt{144} } \\ = \sqrt{147 \times 12} \\ = \sqrt{1764} \\ = 42$

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