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The tangents drawn from the origin x^(2)...

The tangents drawn from the origin `x^(2)+y^(2)-2rx-2hy+h^(2)=0` are per-pendicular if

A

`h=r+1`

B

`h=-r`

C

`r^(2)+h^(2)=1`

D

`r^(2)=h^(2)`

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The correct Answer is:
D
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AAKASH SERIES-CIRCLES-PRACTICE EXERCISE
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