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1. 2x + 2y + x2 - y2x + y = ?
- A. x - yx + y
- B. x - yx + y
- C. x - yx + y
- D. x - yx + y
Answer: Option D
Explanation:
2x+2y+x2−y2/x+y
=2(x+y)+(x+y)(x-y)/(x+y)
=(X−y+2)(x+y)
=x−y+2
=2(x+y)+(x+y)(x-y)/(x+y)
=(X−y+2)(x+y)
=x−y+2
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