Simplify:-
3^(n+4)–6x3^(n+1)÷
3^(n+2)x7 =
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It can be written as , {3^n + (3^n * 3^1) } / { 3^n + (3^n * 3^-1)}
By taking 3^n common,
3^n {1 + 3^1} / 3^n { 1 + 3^-1}
Cancelling 3^n ,
{1 + 3 } / { 1 + 1/3 }
=> 4 / {4/3}
=>{ 4 *3} / 4
=> 3.answer
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