Question

If x and y are natural numbers such that x + y = 2017, then what is the value of (−1)^x + (−1)^y?

विकल्प

• 2

• −2

• 0

• 1

Answer 1

0

Explanation:

Even + Odd = Odd

Hence, (−1)^even + (−1)^odd

= 1 − 1

= 0