OpenStudy (anonymous):

Help!!!! Is there a shortcut to expand (sqrt{c} + sqrt{d})^8 ????? PLease Help!!!!!

5 years ago
OpenStudy (lgbasallote):

binomial theorem?

5 years ago
OpenStudy (lgbasallote):

pascal's triangle works too...

5 years ago
OpenStudy (anonymous):

um.. what's binomial theorem?

5 years ago
OpenStudy (lgbasallote):

uh nevermind..i dont get it either lol..it's a higher algebra

5 years ago
OpenStudy (anonymous):

it would work it would just expand (c^(1/2) + d^(1/2))^2

5 years ago
OpenStudy (anonymous):

ok.. thx to both of you :)

5 years ago
OpenStudy (lgbasallote):

though that is raised to 8 @corey89

5 years ago
OpenStudy (lgbasallote):

which is pretty bloody manually @_@

5 years ago
OpenStudy (anonymous):

http://en.wikipedia.org/wiki/Binomial_theorem this will help alot, the anwser will be long. You are correct about the 8

5 years ago
OpenStudy (anonymous):

ok.. i am a simpleton.... thx, it really helps... i had no idea there was such a thing called binomial theorem or pascals triangle!

5 years ago
OpenStudy (anonymous):

(a+b)^8 = (a+b)(a+b)(a+b).....(a+b) up to 8 times. Expanding all that is a pain. So, some math geeks created an approach to memorize the pattern for any power. In this case, it gets nastily BIG in terms of the ultimate expression.

5 years ago
OpenStudy (anonymous):

c^4 + 8c^7/2*d^1/2 + 28c^3*d + 56c^5/2*d^3/2 + 70c^2*d^2 + 56c^3/2*d^5/2 + 28c*d^3 + 8c^1/2*d^7/2 + d^4

5 years ago
OpenStudy (anonymous):

There you go....that I believe is right. :)

5 years ago
OpenStudy (lgbasallote):

lol =)) who could memorize that haha

5 years ago
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