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1.
- A.
- B.
- C.
- D.
Answer: Option B
Explanation:
x² - 1 - y(y - 2)
= x² - 1 - y² + 2y
= x² - (y2 - 2y + 1)
= x² - (y - 1)²
= (x - y + 1) (x + y - 1)
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1.
Answer: Option B
Explanation:
x² - 1 - y(y - 2)
= x² - 1 - y² + 2y
= x² - (y2 - 2y + 1)
= x² - (y - 1)²
= (x - y + 1) (x + y - 1)
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