Question

the value of 2n+2n-1 ÷2n-1 - 2n is equal to
(a) -3
(b) 1.5
(c) 2
(d) 4​

Answer 1

ANSWER:

1. 1 is our answer
2. 2n,-2n gets cancelled
3. 2n-1÷2n-1=1 (since any number divided by itself =1)
4. therefore answer is 1