Question

Calculati:
$\frac{ 1008^{2} }{17}$ - ($\frac{1}{17} + \frac{3}{17} + \frac{5}{17} +...+ \frac{2015}{17}$ =

Answer 1

$\frac{1008^{2} }{17} - \frac{1}{17} *\frac{(1+2015)*1008}{2} = \frac{ 1008^{2} }{17} -\frac{ 1008^{2} }{17}=0$