Mathematics, 17.09.2021 04:40 noeltan12031

Please help. Real answers please. What is the 4th term of the expansion (1-2x)^n if the binomial coefficients are taken from the row of Pascal's triangle shown here?

1 6 15 20 15 6 1

A. -160x^3
B. 160x^3
C. 240x^4
D. -20x^3

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Please help. Real answers please. What is the 4th term of the expansion (1-2x)^n if the binomial c...