1.

A tangent to the parabola y^(2)+4bx=0 meets the parabola y^(2)=4ax in P and Q . The locus of the middle point of PQ is

Answer»

`y^(2)(2A+B)=4A^(2)X`
`y^(2)(2a-b)=4a^(2)x`
`y^(2)(2a +b)=4ax`
`y^(2)(2a-b)=4ax`

ANSWER :A


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