What is the value of {3^{n + 3} + 3^{2} \times 3^{n}}/{3^{n + 1} \times 3^{2}}−3^{−1}?

OTET Paper 2 Math and Science 2018 Paper

Question : 90 of 120

Marks: +1, -0

What is the value of

\;{3^{n + 3} + 3^{2} × 3^{n}}/{3^{n + 1} × 3^{2}}−3^{−1}

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