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If the tangent at P on the circle x^(2)...

If the tangent at P on the circle ` x^(2) +y^(2) =a^(2) ` cuts two parallel tangents of the circle at A and B then PA, PB =

A

A.P

B

`a^(2) `

C

` 2a`

D

`2a^(2)`

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The correct Answer is:
B
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AAKASH SERIES-REVISION EXERCISE -STRAIGHT LINES
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  10. Let A (2,3,5) , B ( -1,3,2) and C( lambda ,5, mu ) be the vertices ...

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  16. If the angle theline 2(x+1)=y=z+4 and the plane 2x-y+sqrt(lambda)z+4=0...

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  17. Shortest distance between z-axis and the line (x-2)/(3) =(y-5)/(2) =(...

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  18. Let L be the line x-4 =y-2 =(z-7)/(2) and P be the plane 2x - 4y +z =...

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  19. The angle between the lines 2x =3y =-z and -6x =y =-4z is

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