masonklotz masonklotz

08-11-2019
Mathematics

contestada

what is the coefficient of x^3 y^2 in the expansion of (2x+y)^5

Respuesta :

sodiqolamilekan69 sodiqolamilekan69

08-11-2019

Answer:coefficient of x³y²=80

Step-by-step explanation:

using pascal triangle to expand we get

(2x+y)⁵=32x⁵+80x⁴y+{80x³y²}+40x²y³+10xy⁴+y⁵

the one in bracket is the answer so the coefficient of x³y²=80

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