x³+6x²y+11xy²+6y³ এর উৎপাদক নিচের কোনটি?
ক) (x + y)(x + 2y) (x + 3y)
খ) (x + y)(x - 2y)(x - 3y)
গ) (x - y)(x - 2y) (x + 3y)
ঘ) (x - y)(x + 2y)(x - 3y)