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The chord joining the points where x= p ...

The chord joining the points where x= p and x= q on the curve `y= ax^2 + bx + c` is parallel to the tangent at the point on the curve whose abscissa is :

A

`(1)/(2)(p+q)`

B

`(1)/(2)(p-q)`

C

`(pq)/(2)`

D

none of these

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The correct Answer is:
A
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OBJECTIVE RD SHARMA ENGLISH-TANGENTS AND NORMALS-Exercise
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  16. The abscissa of the point on the curve ay^2 = x^3, the normal at whic...

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  17. The curve given by x+y=e^(x y) has a tangent parallel to the y-axis at...

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  19. Let P(2, 2) and Q(1//2, -1) be two points on the parabola y^(2)=2x, Th...

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