\sqrt { 7,3 ^ { 2 } + 7,3 ^ { 2 } } =
Evaluate
3\sqrt{14}\approx 11.22497216
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\sqrt{7\times 9+7\times 3^{2}}
Calculate 3 to the power of 2 and get 9.
\sqrt{63+7\times 3^{2}}
Multiply 7 and 9 to get 63.
\sqrt{63+7\times 9}
Calculate 3 to the power of 2 and get 9.
\sqrt{63+63}
Multiply 7 and 9 to get 63.
\sqrt{126}
Add 63 and 63 to get 126.
3\sqrt{14}
Factor 126=3^{2}\times 14. Rewrite the square root of the product \sqrt{3^{2}\times 14} as the product of square roots \sqrt{3^{2}}\sqrt{14}. Take the square root of 3^{2}.
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