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

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

A

`alpha = 3 `

B

`beta = 3 `

C

`alpha = - 1 `

D

`beta = - 1`

Text Solution

Verified by Experts

The correct Answer is:
A, D
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