\sqrt { 56 ^ { 2 } + 4,2 ^ { 2 } }
Evaluate
4\sqrt{197}\approx 56.14267539
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\sqrt{3136+4\times 2^{2}}
Calculate 56 to the power of 2 and get 3136.
\sqrt{3136+4\times 4}
Calculate 2 to the power of 2 and get 4.
\sqrt{3136+16}
Multiply 4 and 4 to get 16.
\sqrt{3152}
Add 3136 and 16 to get 3152.
4\sqrt{197}
Factor 3152=4^{2}\times 197. Rewrite the square root of the product \sqrt{4^{2}\times 197} as the product of square roots \sqrt{4^{2}}\sqrt{197}. Take the square root of 4^{2}.
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