Matematika A - 2013. ljeto, 6.

$-{\log }_{b}x-\backslash log\; \_\{b\}\; x$

$-{\log }_{x}b-\backslash log\; \_\{x\}\; b$

${\log }_{b}x\backslash log\; \_\{b\}\; x$

${\log }_{x}b\backslash log\; \_\{x\}\; b$