Question

Resolva o seguinte problema:
$a = ( - 1) ^{2n} - {( - 1)}^{2n + 3} \\ + { ( - 1)}^{3n} - ( - 1)^{n}$
​

Answer 1

Resposta:

a=[(-1)²]ⁿ -[(-1)²]ⁿ *(-1)³ + [(-1)³]ⁿ -(-1)ⁿ

a=[1]ⁿ -[1]ⁿ *(-1) + [-1]ⁿ -(-1)ⁿ

a=[1]ⁿ -[1]ⁿ *(-1)

a= 1 -[1]ⁿ *(-1)

a= 1 +[1]ⁿ

a=1+1

a=2