BD Merit - Freelancing, BCS, Bank, Primary, Admission, NTRCA

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1. $x^{2} - y^{2} + 2 y - 1$

A. $x + y + 1$
B. $x + y + 1$
C. $x + y + 1$
D. $x + y + 1$

Answer: Option B

Explanation:

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