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If the image of the point ( 1,-2,3) in t...

If the image of the point ( 1,-2,3) in the plane `2x + 3y -z =7` is the point `( alpha, beta , gamma `), then the value of `alpha + beta + gamma` is equal to

A

`-6`

B

10

C

8

D

`-4`

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The correct Answer is:
A
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