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What is the equation of the parabola, wh...

What is the equation of the parabola, whose vertex and focus are on the x-axis at distance a and b from the origin respectively ? `(bgtagt0)`

A

` y^(2) = 4 (b - a) x `

B

`y^(2) = 4 (b - a) (x - a)`

C

`y^(2) = 4 (b -a) (x-b)`

D

none of these

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The correct Answer is:
B
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