First , second and middle terms of an A....

First , second and middle terms of an A.P. are a,b,c respectively . The sum of AP is :

A

`(2(c-a))/(b-a)`

B

`(2c(c-a))/(b-a)+c `

C

`(2c(b-a))/(c-a)`

D

`(2b(c-a))/(b-a)`

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The correct Answer is:

B

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