Question

Q39 please....with working

Answer 1

$\huge\underline\mathfrak{solution}$

$\frac{ {(361)}^{3} + {(139)}^{3} }{ {(361)}^{2} - (361 \times 139) + {(139)}^{2} } \\ \\ We\:know\:that,\: ( {a}^{3} + {b}^{3}) =</p><p>(a + b)( {a }^{2} - ab + {b}^{2}) \\ \\ = \frac{(361 + 139)( {361}^{2} -(361 \times 139) + {139}^{2} )}{ {361}^{2} - (361 \times 139) + {139}^{2} } \\ = 361 \times 139 \\ = 50179$

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