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If from a point A, two tangents are draw...

If from a point A, two tangents are drawn to parabola `y^2 = 4ax` are normal to parabola `x^2 = 4by`, then

Text Solution

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`x^2=4by`
after diff, with respect to x
`2x=4by'`
`y'=x/(2b)`
`m_n=-1/y'=(-2b)/x=-1/t`
Equation
`(y-bt^2)=-1/t(x-2bt)`
`y=-x/t+2b+bt^2-(1)`
...
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