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Let the circles S(1)-=x^(2)+y^(2)+4y-1...

Let the circles
`S_(1)-=x^(2)+y^(2)+4y-1=0`
`S_(2)-= x^(2)+y^(2)+6x+y+8=0`
touch each other . Also, let `P_(1)` be the point of contact of `S_(1)` and `S_(2) `, `C_(1)` and `C_(2)` are the centres of `S_(1)`and`S_(2)` respectively.
The coordinates of `P_(1)` are

A

(2, -1)

B

(2, 1)

C

(-2, 1)

D

(-2, -1)

Text Solution

Verified by Experts

The correct Answer is:
D
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Knowledge Check

  • Let S_(1):x^(2)+y^(2)-2x=0andS_(2):x^(2)+y^(2)+6x-6y+2=0 Do these circles

    A
    touch intermally
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    C
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    D
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