The remainder when 2710+751 is divided by 10
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are distinct integers, prove that a−b
is a factor of an−bn
, wherever n
is a positive integer.
Find the coefficient of x6y3in the expansion of (x+2y)9.
Expand using Binomial Theorem (1+2x−x2)4,x=0.
Prove that α+β+γ=10∑α!β!γ!10!=310˙
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