SATHEE: Circle And System Of Circles Question 179

Circle And System Of Circles Question 179

Question: The length of tangent from the point (5, 1) to the circle $ x^{2}+y^{2}+6x-4y-3=0 $ , is

[MNR 1981]

Options:

A) 81

B) 29

C) 7

D) 21

Show Answer

Answer:

Correct Answer: C

Solution:

Length of tangent is given by $ L_{T}=\sqrt{S_1}=\sqrt{49}=7 $ .

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Circle And System Of Circles Question 179

Question: The length of tangent from the point (5, 1) to the circle $ x^{2}+y^{2}+6x-4y-3=0 $ , is

Options:

Answer:

Solution:

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