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The sum of all the values of lambda for ...

The sum of all the values of `lambda` for which the set `{(x, y):x^(2)+y^(2)-6x+4y=12}nn{(x, y): 4x+3y lambda}` contains exactly one element is

A

31

B

`-31`

C

12

D

`-19`

Text Solution

Verified by Experts

The correct Answer is:
C
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