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Show that the circles x^(2) + y^(2) + 2 ...

Show that the circles `x^(2) + y^(2) + 2 x -6 y + 9 = 0` and `x^(2) +y^(2) + 8x - 6y + 9 = 0` touch internally.

A

`3x+4y -5=0`

B

`9x-10y+7=0`

C

`9x+10y-7=0`

D

`9x-10y+11=0`

Text Solution

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The correct Answer is:
B
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