x2-10xy-112 -এর উৎপাদক
A
(x-y)(x+11y)
B
(x-11y)(x+y)
C
(x+4y)(x-5y)
D
(x+4y)(x-4y)
Correct Answer: (x-11y)(x+y)
x² - 10xy - 11y² = x² - 11xy + xy - 11y² = x(x - 11y) + y(x - 11y) = (x - 11y)(x + y)