Question

find the value of √45×√20​

Answer 1

Answer:

$= > \sqrt{45} \times \sqrt{20} \\ = > \sqrt{45 \times 20} \\ = > \sqrt{900} \\ = > 30$

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Answer 2

we can write above as-

√9*√5 *√5*√4

3*5*2

30

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