Question

Find the value of given expressionB2%7D%20%7D%20" id="TexFormula1" title=" \sqrt{25 \times 5 - 2 {}^{2} } " alt=" \sqrt{25 \times 5 - 2 {}^{2} } " align="absmiddle" class="latex-formula">
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Answer 1

It’s 11
25•5 is 125.
2 to the power of 2 is 4.
so 125-4 is 121.
the square root of 121 is 11