Select the correct answer.
when using the binomial formula, which of the following is a correct step in the expansion of (1+y)"?
ca 14 +1: 14 – 1)y + 464 - 1), (4 – 2) y2 + 4 (4 – 1)(4 – 2), (4 – 3),8 + 4(4 – 164 - 2)14 – 3), (4 – 4),4
04 + 114 – 1)y + 414 – 1), (4 – 2) y2 + 4 (4 - 1)(4 – 2), (4 – 3) y3 + 464 – 1)(4 – 2)(4 – ), (4 – 4)4
°c 4 + 4 : (4 – 1)y + 444 – – 2),y2 + 464 – 1)(4 – 2) (4 – 3),3 + 44 – 164. – 2)64 – ), (4 – 4),4
d. 14 + 1 (4 – 1), + 4(4 – 1) (4 – 2), (4 – 3),3 + 4(4 – 1)(4 – 2)(4 – 3), (4 - 4), 4
2