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If x = alpha, y = beta, z = gamma is the...

If `x = alpha, y = beta, z = gamma` is the solution, for the system of equations
`2x - y + 8z = 13`
`3x + 4y + 5z = 18`
`5x - 2y + 7z = 20`
then `alpha beta + beta gamma + gamma alpha =`

A

1

B

0

C

7

D

`-3`

Text Solution

Verified by Experts

The correct Answer is:
C
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