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An equation of the tangent to y^(2)=9 x ...

An equation of the tangent to `y^(2)=9 x` which passes through (4,10) is

A

`x+4 y+1=0`

B

`9 x+4 y+4=0`

C

`x+4 y+36=0`

D

`9 x-4 y+4=0`

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The correct Answer is:
D
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