Question

Considerando que: x = (–1)100 e y = (–1)101,
substitua os valores e calcule:
a) – x + y =
b) – x – y =

Answer 1

Considerando que:

x = (–1)^100

= um (+1)

y = (–1)^101

= -1

substitua os valores e calcule:

a) – x + y = - 1+( -1)

= -1-1

= -2

______________

b) – x – y

= - 1 -(-1)

= - 1 + 1

= 0