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Tips to learn formulae

Ayushi Garg

17/09/2016 0 0

Difference of Squares

a2 - b2 = (a-b)(a+b)

Difference of Cubes

a3 - b3 = (a - b)(a2+ ab + b2)

Sum of Cubes

a3 + b3 = (a + b)(a2 - ab + b2)

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