SATHEE: Circle And System Of Circles Question 344

Circle And System Of Circles Question 344

Question: The number of tangents that can be drawn from (0, 0) to the circle $ x^{2}+y^{2}+2x+6y-15=0 $ is

[MP PET 1992]

Options:

A) None

One

Two

D) Finite

Show Answer

Answer:

Correct Answer: A

Solution:

Since $ S_1<0 $, the point lies inside the circle.

Hence no tangent can be drawn.

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Circle And System Of Circles Question 344

Question: The number of tangents that can be drawn from (0, 0) to the circle $ x^{2}+y^{2}+2x+6y-15=0 $ is

Options:

Answer:

Solution:

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