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If a line passing through (-2, 1, alpha)...

If a line passing through `(-2, 1, alpha)` and (4, 1, 2) is perpendicular to the vector `3hati-4hatj+5hatk` and parallel to the plane containing vectors `hati+2betahatk` and `2beta hati+alpha hatk(AA beta ne 0),` then `10(alpha+beta)` is equal to

A

53

B

54

C

55

D

56

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A
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