If x = 1/5 + (1.3)/(5.10) + (1.3.5)/(5....

If ` x = 1/5 + (1.3)/(5.10) + (1.3.5)/(5.10.15) + ……..oo` , then show that `3x^2 + 6x = 2`

A

0

B

1

C

2

D

`-1`

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The correct Answer is:

C

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