Question

simplify (√5+√2)^2 ..............​

Answer 1

Answer:

$answer = 7 + 2 \sqrt{10}$

Answer 2

Answer:

$7 + 2 \sqrt{10}$

Step-by-step explanation:

$( \sqrt{5} + \sqrt{2} )^{2} \\ \\ = ( \sqrt{5} ) ^{2} + (\sqrt{2} ) ^{2} + 2 \times \sqrt{5} \times \sqrt{2} \\ \\ \: \: (Using \: (a \: + b) ^{2} = {a}^{2} + {b}^{2} + 2ab) \\ \\ = 5 + 2 + 2 \sqrt{10} \\ \\ = 7 + 2 \sqrt{10}$

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