Question

find the value of the following ​

Answer 1

Step-by-step explanation:

:

$\sqrt{16 + 2 \sqrt{63 } } = \sqrt{7 + 2 \sqrt{63} + 9}$

:

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

:

$\sqrt{7} + \sqrt{9} = \sqrt{7} + 3$

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Answer 2

√16+√2√63=√7+√2√63+9

√{7+√9}²

√7+√9

=√7+3