Question

28. Find the value of (-1) + (-1)2n +(-1)2n +1 +(-1) 4n+1, where n is positive odd
integer.​

Answer 1

Answer:

=-1-2n-2n+1-1+4n+1

=-1-1+4n+1

=0+4n+1

=4n=-1

=n=-1/4