x² - 1 + 2y - y² এর একটি উৎপাদক নিচের কোনটি?

A x + y - 1

B x + y + 1

C y - x + 1

D x - y - 1

Solution

Correct Answer: Option A

x²-y²+2y-1
=x²-(y²-2y+1)
=x²-(y-1)²
=(x+y-1)(x-y+1)

Practice More Questions on Our App!

Download our app for free and access thousands of MCQ questions with detailed solutions