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If A(2,beta,3),B(alpha, -5,1) and C(-1,1...

If `A(2,beta,3),B(alpha, -5,1)` and `C(-1,11,9)` are collinear, then which of the following is/are true?

A

`alpha=3`

B

`beta=3`

C

`alpha=-1`

D

`beta=-1`

Text Solution

Verified by Experts

The correct Answer is:
A, D
NA
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