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If the line y=m x+c is a tangent to the ...

If the line `y=m x+c` is a tangent to the parabola `y^(2)=4 a(x+a)`, then `c=`

A

`m a+(a)/(m)`

B

`m a-(a)/(m)`

C

`(a)/(m)`

D

`-(a)/(m)`

Text Solution

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The correct Answer is:
A
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