Question

(-1) la puterea 2017 + (-1 ) la puterea 2018

Answer 1

${( - 1)}^{2017} + {( - 1)}^{2018} = { - 1}^{2017} + {( - 1)}^{2018} = - 1 + ( { - 1}^{2018}) = - 1 + {1}^{2018} = - 1 + 1 = 0$

Answer 2

Orice numar la putere impara daca e cu minus ramane lafel

$({ - 1})^{2017} = - 1$
$({ - 1})^{2018} = 1$

=> -1+1 = 0