Subject
Bank Exam
Topic
Prabashi Kallyan Bank Ltd Officer Cash - 25.09.2021
Which is the correct factor analysis of x² - 2xy - z² + 2yz?
Which is the correct factor analysis of x² - 2xy - z² + 2yz?
ক)
(x-z)(x-2y+z)খ)
(x-y)(x-y-2z)গ)
(x+z)(x-y+z)ঘ)
(x-y)(2x-y+z)Explanation
x² - 2xy - z² + 2yz? = x² -zx-2xy+2yz+zx-z² =x(x-z)-2y(x-z)+z(x-z) =(x-z)(x-2y+z)Related questions
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