Question

$\sqrt{121 + \sqrt{25 - \sqrt{49 = } } }$
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Answer 1

√121+√25-√49

=√121 + √25-7

=√121 + 5 -7

= √11+5-7

=√16-7

=√9

=3

Answer 2

Answer:

$\sqrt{121 + \sqrt{25 - \sqrt{49} } }$

$11 + 5 - 7 = 9$