Question

13. The coefficient of x2 in the expansion of (x - 2)3 is............​

Answer 1

Answer:

$(x - y) {}^{3} = x {}^{3} - 3x{} ^{2} y + 3x y{} ^2- y {}^{3}$

So coefficient of x^2 is (- 3)

Answer 2

Answer:

here's your answer

hope it will help you