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The condition that the line ax + by + c...

The condition that the line ` ax + by + c =0 ` is a tangent to the parabola ` y^(2)= 4ax ` is-

A

` a=b `

B

`b^(2)= c `

C

` b^(2)=a `

D

`a^(2)= b `

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The correct Answer is:
B
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CHHAYA PUBLICATION-MCQ ZONE 3 -Question Paper 6
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