Question

(√5+√2)². Please answer fast​

Answer 1

Answer:

$7 + 2 \sqrt{10}$

Step-by-step explanation:

$( \sqrt{5} + \sqrt{2} ) ^{2}$

$= { \sqrt{5} }^{2} + { \sqrt{2} }^{2} + 2 \sqrt{5} \sqrt{2}$

$= 5 + 2 + 2 \sqrt{10}$

$= 7 + 2 \sqrt{10}$

Answer 2

$( \sqrt{5} + \sqrt{2} )^{2} \\ = { \sqrt{5} }^{2} + { \sqrt{2} }^{2} + 2( \sqrt{5} \times \sqrt{2}) \\ = 5 + 2 + 2 \sqrt{10} \\ = 7 + 2 \sqrt{10}$

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