Question

simplify 7 ^1/2 . 8 ^ 1/2
pls tell answer fast
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Answer 1

${7}^{ \frac{1}{2} } \times {8}^{ \frac{1}{2} }$

$= (7 \times 8) ^{ \frac{1}{2} } = \sqrt{56}$

$= 2 \sqrt{14}$