Question

prove the 30th question​

Answer 1

$\huge{\boxed{\boxed{\red{\ulcorner{\mid{\overline{\underline{\bf{Answer:-}}}}}\mid}}}}$

Hence,

LHS = RHS

°•° Some Formulas using:-

${a}^{3} - {b}^{3} = (a - b)( {a}^{2} + ab + {b}^{2} ) \\ \\ \cot( \theta) = \frac{1}{ \tan( \theta) }$

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