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The values of lamda for which the circle...

The values of `lamda` for which the circle `x^(2)+y^(2)+6x+5+lamda(x^(2)+y^(2)-8x+7)=0` dwindles into a point are

A

`1+-(sqrt(2))/(3)`

B

`2+-(2sqrt(2))/(3)`

C

`2+-(4sqrt(2))/(3)`

D

`1+-(4sqrt(2))/(3)`

Text Solution

Verified by Experts

The correct Answer is:
C
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