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A circle may have ........ parallel tang...

A circle may have ........ parallel tangents utmost.

A

10

B

12

C

9

D

2

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Knowledge Check

  • 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)`
  • 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
    B
    `a^(2)`
    C
    2a
    D
    `2a^2`
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