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

[Mas112]

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]

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.