3r xx (2s^2+4s+5)=?...

`3r xx (2s^2+4s+5)=?`

A

`6rs^2+12r^2s+15r`

B

`6rs^2+12rs+15r`

C

`6rs^2+12rs+15rs`

D

`6rs+12rs^2+15r`

लिखित उत्तर

Verified by Experts

The correct Answer is:

B

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