Question

. Find the value of
$( {1}^{3} + {2}^3 + {8}^{3} ) \frac{ - 5}{2}$
​

Answer 1

Answer:

$-\frac{2605}{2}$

Step-by-step explanation:

$( {1}^{3} + {2}^3 + {8}^{3} ) \frac{ - 5}{2}$

$( {1} + {8} + {512} ) \frac{ - 5}{2}$

$( {9} + {512} ) \frac{ - 5}{2}$

$( {521} ) \frac{ - 5}{2}$

${521}\times\frac{ - 5}{2}$

$-\frac{2605}{2}\:( Ans )$