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If 25 p^2+9q^2-r^2-30 p q=0 a point on t...

If `25 p^2+9q^2-r^2-30 p q=0` a point on the line `px+qy+r=0` is

A

`(5,-3)`

B

`(1,2)`

C

`(0,0)`

D

`(5,3)`

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The correct Answer is:
A
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