Extension 1.... cant do (1 Viewer)

Mas112

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Binomial thereom:

Question: Two consecutive coefficeints are in the expansion of (x+3)^15 are equal. Find their value and show that they are also greater than any other coefficient in the expansion.

thnx for any help.....
 

Pastafarian

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Alot of writing but expand it fully?

well when it says show they are also greatest you should be looking at largest.

15c0(x)^15 + 15c1(x)^14(3) + 15c2(x)^13(3)^2 +...........15c15(3)^15


like that and expand it out.
 
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