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Cutiepo0
Group Title
Expand and simplify the first 3 terms of the binomal power:
(3y+5)^9 PLEASE HELP!!
 2 years ago
 2 years ago
Cutiepo0 Group Title
Expand and simplify the first 3 terms of the binomal power: (3y+5)^9 PLEASE HELP!!
 2 years ago
 2 years ago

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mathteacher1729 Group TitleBest ResponseYou've already chosen the best response.0
Do you know the binomial theorem? It lets you find the nth term of insane expressions like this. :)
 2 years ago

Cutiepo0 Group TitleBest ResponseYou've already chosen the best response.0
I know usually how to solve using the pascal's triangle, but I don't know how to do it for just the first 3 terms
 2 years ago

mathteacher1729 Group TitleBest ResponseYou've already chosen the best response.0
http://regentsprep.org/Regents/math/algtrig/ATP4/bintheorem.htm might be useful.
 2 years ago

mathteacher1729 Group TitleBest ResponseYou've already chosen the best response.0
Check out the examples. Then substitute your numbers in and see what happens. NOTE  you will get BIG NUMBERS.
 2 years ago

Cutiepo0 Group TitleBest ResponseYou've already chosen the best response.0
Okay, that was useful, but we're not supposed to be using the formula for this question. Do you know if there's any way to solve it just using pascal's triangle?
 2 years ago

mathteacher1729 Group TitleBest ResponseYou've already chosen the best response.0
You'd have to expand out to the 9th row! Have fun with that! Fortunately you can do it in excel. :) http://jwilson.coe.uga.edu/EMAT6680/Parsons/MVP6690/Essay1/excel.html
 2 years ago

Zarkon Group TitleBest ResponseYou've already chosen the best response.0
use the binomial coefficients \[{n\choose r}=\frac{n!}{r!(nr)!}\]
 2 years ago
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