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If the system of equation x+y+2z =3, x...

If the system of equation
`x+y+2z =3, x + 2y + 3z =4 and x + cy + 2xz =5` is inconsistent, then

A

`c=1`

B

`c =3`

C

`c in R`

D

`c ne 1 `

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The correct Answer is:
A
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