Ifagt0 and blt0, then sqrt(a)sqrt(b) is ...

If`agt0 and blt0, then sqrt(a)sqrt(b)` is equal to (where, `i=sqrt(-1))`

A

`-sqrt(a*|b|`

B

`sqrt(a*|b|i`

C

`isqrt(a*|b|`

D

none of these

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