Question

the square of (√4+√5) is​

Answer 1

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${( \sqrt{4} + \sqrt{5}) }^{2} \\ = > \small( { \sqrt{4} )}^{2} +( { \sqrt{5} })^{2} + 2 \sqrt{4} \times \sqrt{5} \\ \\ = > 4 + 5 + 2 \sqrt{10} \\ \\ = > 9 + 2 \sqrt{10}$

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hops this may help you

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