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Coeff of x^2 in

0 votes

[2x-1/2x]^6?

asked Jul 5, 2014 in ALGEBRA 2 by anonymous

1 Answer

0 votes

The expression is image.

image

The binomial expansion for  image

image

image

                 image

image

image

image

image

Therefore coefficient of x2 is 60.

answered Jul 5, 2014 by joly Scholar

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