দুটি সরলরেখা L1 : x = 5, y/(3-alpha)=z/-...

দুটি সরলরেখা `L_1 : x = 5, y/(3-alpha)=z/-2` এবং `L_2: x = alpha,y/-1=z/(2-alpha)` সামতলিক। তাহলে `alpha`-এর মান/মানগুলি যেটি/ যেগুলি হতে পারে সেটি/ সেগুলি হল ।

A

`1`

B

`2`

C

`3`

D

`4`

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The correct Answer is:

A, D

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