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Mathematics 6 Online
OpenStudy (rayford):

Which of the following is the expansion of (x + 3)5? x5 + 5x4 + 10x3 + 10x2 + 5x + 1 x5 + 3x4 + 9x3 + 27x2 + 81x + 243 x5 + 15x4 + 90x3 + 270x2 + 405x + 243 None of the above

OpenStudy (anonymous):

are you familiar with binomial series expansion ?

OpenStudy (rayford):

i have heard of it but i just wanted to know if i was correct and if not could you explain... i chose none of the above.

OpenStudy (rayford):

was i correct?

OpenStudy (anonymous):

nopes!

OpenStudy (anonymous):

x5 + 15x4 + 90x3 + 270x2 + 405x + 243 is correct !

OpenStudy (rayford):

thanks man! i will def study :)

OpenStudy (anonymous):

yw:)

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