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Show that the tangent at (-1, 2) of the ...

Show that the tangent at `(-1, 2)` of the
circle `x^(2) + y^(2) - 4x -8y + 7 = 0`
touches
the circle `x^(2) + y^(2) + 4x + 6y = 0` and also
find its point of contact.

A

`(0,(1)/(3))`

B

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

C

`((2)/(3), (1)/(3))`

D

`(-1,-1)`

Text Solution

Verified by Experts

The correct Answer is:
B
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