Bài 4: Chọn câu đúng.
A. (3x – 2y)2 – (2x – 3y)2 = 5(x – y)(x + y)
B. (3x – 2y)2 – (2x – 3y)2 = (5x – y)(x – 5y)
C. (3x – 2y)2 – (2x – 3y)2 = (x – y)(x + y)
D. (3x – 2y)2 – (2x – 3y)2 = 5(x – y)(x – 5y)
Loga
Sinh Học lớp 12
