Share
Explore BrainMass

Prove the statements that are true and give counterexample to disprove those that are false

Prove the statements that are true and give counterexample to disprove those that are false.

For all integers n, if n is prime then (-1)^n=-1

(READ:...then (-1) to the n power equal -1)

Solution Preview

If n is prime, then n cannot be even, because if it were even, it would have a factor of 2 ...

$2.19