math formula for competitive exams. 02 x-y 2 x-y x-y x 2 -2xyy 2. Maths for Competitive Exams pdf.
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Profit P SP CP. Shortcut Math Tricks for helpful to improve speed in all calculations. It is very useful for it.
In this case -1 -5 5 Step 3.
25 Math Tricks chapters for easy and quick Maths Sortcut Tricks which you need in every Competitive Exams.