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In a /ABC ,suppose y=x is the equation o...

In a `/_ABC` ,suppose `y=x` is the equation of the bisector of the angle "B" and the equation of the side "AC" is `2x-y=2` .If `2AB=BC` and the points "A" and "B" are "(4,6)" and `(alpha,beta)` ,then `alpha+2 beta` is equal to

A

48

B

42

C

39

D

45

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JEE MAINS PREVIOUS YEAR-JEE MAIN 2024 ACTUAL PAPER-Question
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