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Binomial theorem
@
kezz4
Find the 5th and 6th terms in the expansion of ( 2x - 1/2 )10.
posted:
8 January 10
/ last action:
March 2011
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@
dannyck
13 November 10
a =2x,b=-1/2 and n=10.5th term is 840x2 and de 6th tem is -252x5
@
fanking
4 March 11
For the 6th term r = 5
for the 5th term r = 4
therefore
(10C4)(2x)5(-0.5)5 + (10C4)(2x)6(-0.5)4
-252x5 + 210x6
are the 5th and sixth term respectively.
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