Question

simplify the following expression (√2+4)²​

Answer 1

Answer:

(√2+4)²​=18+8$\sqrt{2}$

Step-by-step explanation:

$(\sqrt{2}+4)^{2}$

=$(\sqrt{2})^2+(4)^2+(2$ multiplied by $\sqrt{2}$ multiplied by $4)$[by doing (a+b)^2=a^2+b^2+2ab]

=2+16+8$\sqrt{2}$

=18+8$\sqrt{2}$

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