Question

in the expansion of (3x+2)^4 , the coefficient of middle term is

Answer 1

Answer:

(3x+2)^2(3x+2)^2

(9x+4+12x)(9x+4+12x)

81x^2+36x+108x^2+36x+16+48x+108x^2+48x+144x^2

441x^2+168x+16

I hope you understand

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