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If the line x+3y=0 is tangent at (0,0) t...

If the line x+3y=0 is tangent at (0,0) to the circle of radius 1, then the centre of one such circle is

A

`(3,0)`

B

`((-1)/(sqrt(10)),3/(sqrt(10)))`

C

`(3/(sqrt(10)),(-3)/(sqrt(10)))`

D

`(1/(sqrt(10)),3/(sqrt(10)))`

Text Solution

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The correct Answer is:
D
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AAKASH SERIES-CIRCLES-EXERCISE -I
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  10. Parametric equation of the circle x^(2)+y^(2)=16 are

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