The coefficient of a^ 8 b^ 6 c^ 4 in the expansion of (a+b+c)^ 18 is

JEE Advanced Mathematics question

The coefficient of in the expansion of is

Answer: (A),(B),(C),(D)

By the multinomial theorem (or expanding , picking and then ), the coefficient is

=9189180 .

Each option equals this: - (a) ✔

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Question ID VK-108355