Question

Find the value of: 2ⁿ+2ⁿ⁻¹/2ⁿ⁺¹

Answer 1

${2}^{n} + {2}^{n - 1} \div {2}^{n + 1} \\ {2}^{n} + {2}^{(n - 1) - (n + 1)} \\ {2}^{n} + {2}^{ - 2}$

Answer 2

Answer:

}{2}^{n} + {2}^{n - 1} \div {2}^{n + 1} \\ {2}^{n} + {2}^{(n - 1) - (n + 1)} \\ {2}^{n} + {2}^{ - 2} \}2n+2n−1÷2n+12n+2(n−1)−(n+1)2n+2−2