Question

$\sqrt{2 + \sqrt{x} } = 3 find x$
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Answer 1

Answer: x= 49

Given : $\sqrt{2+\sqrt{x} } = 3$

Step-by-step explanation:

We need to find the value of x.

So that , First squaring on both sides ..,

$(\sqrt{2+\sqrt{x} })^{2} = 3^{2}$

$2+\sqrt{x} =9\\\sqrt{x}=7$

Once again squaring on both sides we get,

x = 49

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