1.

`sqrt(147) - sqrt(75)`=A. `sqrt3`B. `2 sqrt3`C. `3 sqrt3`D. `4 sqrt3`

Answer» Correct Answer - B
`sqrt(147) - sqrt(75)`
`= sqrt(49 xx 3) - sqrt(25 xx 3)`
`= 7 sqrt3 - 5 sqrt3 = 2 sqrt3`
Hence (b) is correct


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