Question

log 81 x 25 formula

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Answer 1

please written clearly

Answer 2

$\sf \: Let n=(((((√3+(√3+√3+…))))</p><p> \\ \\ \sf</p><p>Then n²=3 +(((((√3+(√3+√3+…)))) or</p><p> \\ \\ \sf</p><p>n²=3+n</p><p> \\ \\ \sf</p><p> \sf \color{lime}Then \: </p><p>n²-n-3=0</p><p> \\ \\ \sf</p><p>Using \: t he \: quadratic \: formula, \color{lime}we \: get \: a \: value \: of:</p><p> \\ \\ \sf</p><p>1±√13/2</p><p> \\ \\ \sf</p><p>Since \: we \: can’t \: use \: a \: negative \: value \: as \: a \: sum \: of \: negative \: values, \: \color{lime}we \: have:</p><p> \\ \\ \sf</p><p>(((((√3+(√3+√3+…))))=(1+√13)/2</p><p> \\ \\ \color{red}</p><p>=2.3027756</p><p></p><p>$