Simplify 3^n + 2 - 3^n +15 (3 ^n - 1) /39
You asked:
Simplify the expression: \({3}^{n} + 2 - {3}^{n} + \frac{15 \cdot \left({3}^{n} - 1\right)}{39}\)
MathBot Answer:
Simplified:
\[ {3}^{n} + 2 - {3}^{n} + \frac{15 \cdot \left({3}^{n} - 1\right)}{39} = \frac{5 \cdot 3^{n}}{13} + \frac{21}{13} \]
Expanded:
\[ {3}^{n} + 2 - {3}^{n} + \frac{15 \cdot \left({3}^{n} - 1\right)}{39} = \frac{5 \cdot 3^{n}}{13} + \frac{21}{13} \]
asked 10 months ago
active 10 months ago