2-3n-1-7-3n-13n-2-2131-n -

The correct option is A 1 2.3^n+1+7.3^n 13^n+2 2(13)^1 n=3^n 1[2× 3^2+73^n+2 23^n 1] ⇒3^n 13^n 1[18+727 2]=2525=1 ...

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Properties of Iota

2.3n+1+7.3n-1...

Question

$\frac{{2.3}^{n + 1} + {7.3}^{n - 1}}{3^{n + 2} - 2 {(\frac{1}{3})}^{1 - n}} =$ ___

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