perplexus.info :: Just Math : Deux Digit Determination

Deux Digit Determination (Posted on 2014-11-13)

Find the last two digits in the base ten expansion of :

C(2014, 1) + 2²*C(2014, 2) + 3²*C(2014, 3) + ......+ 2014²*C(2014, 2014)

**** C is the choose function, that is:
C(m,n) = m!/(n!*(m-n)!)

Submitted by K Sengupta

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Solution: (Hide)

Refer to Harry's solution here.

Comments: ( You must be logged in to post comments.)

Subject	Author	Date
No Subject	Harry	2014-11-16 17:22:22
re: Full expansion, but unproven result	Charlie	2014-11-13 14:29:50
computer solution	Charlie	2014-11-13 14:24:33
Full expansion, but unproven result	Jer	2014-11-13 14:00:50

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