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Squares and Square Roots — MATHS STD 8 — Question

Gujarat BoardEnglish MediumSTD 8MATHSSquares and Square Roots1 Mark
Question
Find the value of: $\sqrt{72}\times\sqrt{338}$
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Answer

We have, $\sqrt{72}\times\sqrt{338}=\sqrt{72\times338}$ $=\sqrt{2\times2\times2\times3\times3\times2\times13\times13}$ $=\sqrt{2\times2\times2\times2\times3\times3\times13\times13}$ $=2\times2\times3\times13$ $=156$

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