Question

log baza 3 din ( 5- √7)+ log baza 3 din (5+ √7)- log baza 3 din 2=?

Answer 1

$\frac{log _{3}(5- \sqrt{7})(5+ \sqrt{7} ) }{log _{3}2 }$
$\frac{log _{3}(25-7) }{log _{3}2 }$
$\frac{log _{3}18 }{log _{3} 2}$
$\frac{log _{3}9 }{1} = log_{3} 3^{2} =2$