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The equation to the parabola having foc...

The equation to the parabola having focus (1,2) qbe and directrix x + 2y+5=0 is

A

`4x^(2)-4xy+y^(2)-20x-40y=0`

B

`9x^(2)-24xy+16y^(2)-76x+18y+91=0`

C

`x^(2)+6xy+9y^(2)28x-16y+46=0`

D

`x^(2)+4xy+4y^(2)-50x+30y+40=0`

Text Solution

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The correct Answer is:
A
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