What is the coefficient of x101 y99 in the expansion of (2x-3y)200?

C(200,101) (2)101 (-3)99
C(200,101) (2)99 (-3)101
C(200,99) (2)101 (-3)99 Correct
C(200,99) (2)99 (-3)101

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SouthernHippopotamus - 2 years ago

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