The video has methods to learn following
Formulas related to square
(a+b)² = a² + b² + 2ab
(a-b)² = a² + b² - 2ab
a²-b² = (a + b)(a - b)
Formulas related to cube
(a+b)³ = a³ + b³ + 3ab² + 3a²b
(a-b)³ = a³ - b³ + 3ab² - 3a²b
a³+b³ = (a + b)(a² + b² - ab)
a³-b³ = (a - b)(a² + b² + ab)
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