Question

Find the coefficient a of the term in the expansion of the binomial.
Binomial Term.
Picture below of answers: If you could explain how to do it that would be wonderful! We really didn't cover this in class. :/

Answer 1

@jdoe0001 @mathstudent55

Answer 2

use the general form

(a + x)^n

(r+1)th term = nCr a^^(n-r) x^r

Answer 3

ax^3y^3 woud be the 4th term

n = 6 , r = 3

a will be = x and x = (-6y)

Answer 4

so

4th term = 6C3 x^3 (-6y)^3

Answer 5

You lost me, hah. I don't understand what the final answer is.