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The system of equation x+y+2z=1, x+2y+...

The system of equation`
` `x+y+2z=1, x+2y+3z=2, x+4y+alphaz=4`. Has unique then

A

`alpha !=3`

B

`alpha!=5`

C

`alpha!=2`

D

`alpha!=1`

Text Solution

Verified by Experts

The correct Answer is:
B
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