Question

$\sqrt{2 {}^{2} } + {1}^{2}$
What is the answer? ​

Answer 1

$\sqrt{ {2}^{2} } + {1}^{2} \\ = > 2 + 1 \\ = > 3$

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Answer 2

Step-by-step explanation:

$\sqrt{2 {}^{2} } + {1}^{2} = \sqrt{5} = 2.26...$

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