Question 32
IndicesIf 3(1−n)/9−2n = 1/9, find n
- A.−3/2
- B.1/3
- C.−1
- D.−3
Show the answer and explanation
Answer: C (−1)
Explanation
9−2n = 3−4n, so 31 − n + 4n = 3−2: 1 + 3n = −2 and n = −1.
If 3(1−n)/9−2n = 1/9, find n
Answer: C (−1)
9−2n = 3−4n, so 31 − n + 4n = 3−2: 1 + 3n = −2 and n = −1.