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Find the coefficient of (i) x^5 in (x + 3)^8 (ii) a^5b^7 in (a – 2b)^12

+1 vote

asked Feb 25, 2018 in Class 12 by kratos

Find the coefficient of

(i) x5 in (x + 3)8

(ii) a5b7 in (a – 2b)12

(iii) x6y3 in (x + 2y)9

algebra
class-8
class-11
class-7
binomial theorem
class-12
polynomials
rational expressions

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1 Answer

+4 votes

answered Mar 7, 2020 by kratos

Best answer

∴ Coefficient of a5b7 = - 27 . 12C7

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