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We will discuss the Beat the calculator-Application of Digit Sum in LCM HCF, Magical concept #2

Description

• (a-b)^3 = a^3-b^3-3ab (a-b)
• SSC CGL pre 2011, 2016, MAINS 2015 questions
• Introduction of the concept- "Neon Range"
• Vedic Maths

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