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The chord of the curve y = x^2 + 2ax + b...

The chord of the curve `y = x^2 + 2ax + b` joining the points where `x = alpha and x = beta`, isparallel to the tangent to the curve at abscissa `x=`

A

`(a+b)/(2)`

B

`(2a+b)/(3)`

C

`(2alpha+beta)/(3)`

D

`(alpha+beta)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
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