mgeorge9496 mgeorge9496

14-09-2021
Mathematics

contestada

find the coefficient of x3 in the expansion of (1+1/2x)(1 + 2x)8

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ProWilsonNetwork ProWilsonNetwork

14-09-2021

Answer:

8x^2 + 20x + 8

Step-by-step explanation:

(8 + 4x) x (1 + 2x)

8 + 16x + 4x + 8x^2

8 + 20x + 8x^2

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