Carry Out the Expansion

Carry out the expansion. (2a + b) ⁹

A) 2a ⁹ + 2,304a ⁸ b + 4,608a ⁷ b ² + 5,376a ⁶ b ³ + 4,032a ⁵ b ⁴ + 2,016a ⁴ b ⁵ + 672a ³ b ⁶ + 144a ² b ⁷ + 18ab ⁸ + b ⁹
B) 512 a ⁹ + 2,304a ⁸ b - 4,608a ⁷ b ² + 5,376a ⁶ b ³ - 4,032a ⁵ b ⁴ + 2,016a ⁴ b ⁵ - 672a ³ b ⁶ + 144a ² b ⁷ - 18ab ⁸ + b ⁹
C) 512a ⁹ + 2,304a ⁸ b + 4,610a ⁷ b ² + 5,376a ⁶ b ³ + 4,032a ⁵ b ⁴ + 2,016a ⁴ b ⁵ + 672a ³ b ⁶ + 144a ² b ⁷ + 18ab ⁸ + b ⁹
D) 512a ⁹ + 2,304a ⁸ b - 4,608a ⁷ b ² + 5,376a ⁶ b ³ - 4,032a ⁵ b ⁴ + 2,016a ⁴ b ⁵ - 672a ³ b ⁶ + 144a ² b ⁷ - 18ab ⁸ + b ⁹
E) 512a ⁹ + 2,304a ⁸ b + 4,608a ⁷ b ² + 5,376a ⁶ b ³ + 4,032a ⁵ b ⁴ + 2,016a ⁴ b ⁵ + 672a ³ b ⁶ + 144a ² b ⁷ + 18ab ⁸ + b ⁹