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The equation of the tangent to the parab...

The equation of the tangent to the parabola `y^(2)=16 x` at (1,4) is

A

`x=4 y`

B

`y=4 x`

C

`2 x+y+2=0`

D

`2 x-y+2=0`

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The correct Answer is:
D
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HIMALAYA PUBLICATION-PARABOLA-QUESTION BANK
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  11. The directrix of the parabola y^(2)=16 x is

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  12. The vertex of the parabola y^(2)=5 x+4 y+1 is

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  13. The axis of the parabola 2 x^(2)+5 y-3 x+4=0 is

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