1.

`sqrt(10).sqrt(15)` is equal toA. `6sqrt(5)`B. `5sqrt(6)`C. `sqrt(25)`D. `10sqrt(5)`

Answer» Correct Answer - B
`sqrt(10). sqrt(15) = sqrt(2.5). sqrt(3.5) = sqrt(2) . sqrt(5) . sqrt(3) . sqrt(5)`
`= (sqrt(2) . sqrt(3)) (sqrt(5). sqrt(5)) = sqrt(6).5 = 5sqrt(6)`


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