OpenStudy (anonymous):

If the coefficient of the rth and (2r + 5) th terms of the expansion of (1 + x)^ 15 are equal, r =

5 years ago
OpenStudy (anonymous):

co·ef·fi·cient [k i físh'nt] (plural co·ef·fi·cients) noun 1. numerical part of algebraic term: the number placed before a letter that represents a variable in algebra, e.g. the "3" of "3x" in the equation "3x = 6" 2. figure measuring property of substance: a numerical constant that is a measure of a property of a substance

5 years ago
hartnn (hartnn):

use binomial expansion general formula

5 years ago
hartnn (hartnn):

where n=15, r=r, a=1,b=x

5 years ago
OpenStudy (anonymous):

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5 years ago
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