Example

3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b

Question

$$\frac{3^{n+3}-3\times3^{n}}{4\times3^{n+3}}$$

Answer

$$(3^(n+3)-3^(1+n))/(4*3^(n+3))$$

Solution


Use Product Rule: \({x}^{a}{x}^{b}={x}^{a+b}\).
\[\frac{{3}^{n+3}-{3}^{1+n}}{4\times {3}^{n+3}}\]
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