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Sum of the possible values of lamda for ...

Sum of the possible values of `lamda` for which the following threes line
`x+y=1,lamdax+2y=3,lamda^(2)x+4y+9=0` are concurrent is

A

-15

B

14

C

16

D

`-14`

Text Solution

Verified by Experts

The correct Answer is:
A
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