Looking for job. Try JobLoader- First ever job search engine in Bangladesh. All open bd jobs now a single mouse click away.

প্রশ্নঃ
If b + a = x and a - b = y, then a² - b² =?

উত্তরঃ ঙ

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Looking for job. Try JobLoader- First ever job search engine in Bangladesh. All open bd jobs now a single mouse click away.