Question 9
IndicesSimplify (3(2n + 1) − 4(2n − 1))/(2n + 1 − 2n)
- A.2n + 1
- B.2n − 1
- C.4
- D.¼
Show the answer and explanation
Answer: C (4)
Explanation
Write everything in terms of 2n: the top is 6(2n) − 2(2n) = 4(2n) and the bottom is 2(2n) − 2n = 2n. The quotient is 4.