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If the point (2 , alpha , beta) lies on...

If the point `(2 , alpha , beta) ` lies on the plane which passes through the points `(3,4,2) and (7,0,6)` and is perpendicular to the plane `2x-5y=15,` then `2 alpha - 3 beta` is equal to:

A

17

B

7

C

5

D

12

Text Solution

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The correct Answer is:
B
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