Ăźsing binomial theorem,1. (3r +2y) – InterviewSolution

1.

Ăźsing binomial theorem,1. (3r +2y)

Answer»

As per Pascal's Triangle

coefficients will be1 4 6 4 1

(3x+2y)^4=1⋅(3x)^4(2y)^0+4(3x^3)(2y)+6(3y)^2(2y)^2+4(3x)(2y)^3+1(3x)0(2y)^4

81x^4+216x^3y+216x^2y^2+96xy^3+16y^4

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