Question

expand and simplyfy( √7 +√2)whole square ​

Answer 1

Answer:

$9+2\sqrt{14}$

Step-by-step explanation:

$(\sqrt{7}+\sqrt{2} )^{2} \\=7+2+2\sqrt{14}\\=9+2\sqrt{14}$

Answer 2

(√7+√2)^2

by a^2+b^2+2ab =(a+b)^2

√7^2+√2^2+2×√7×√2

7+2+2√14

9+2√14

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