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If the system of equations 2x+ay+6z=8, ...

If the system of equations 2x+ay+6z=8, x+2y+z=5, 2x+ay+3z=4 has a unique solution then 'a' cannot be equal to :

A

2

B

3

C

4

D

5

Text Solution

Verified by Experts

The correct Answer is:
C
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