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The value of lamda for which the system ...

The value of `lamda` for which the system of equations :
`x+y+z=6,x+2y=3z=10,x+4y+lamdaz=12` has a unique solution is :

A

`lamda ne -7`

B

`lamda ne 7`

C

`lamda=7`

D

`lamda=-7`

Text Solution

Verified by Experts

The correct Answer is:
C
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