C-09-Q082mediumsingle_mcqConditions on the base of logab\log_a blogab are:aa>0, a=1a > 0,\, a = 1a>0,a=1ba>0, a≠1a > 0,\, a \neq 1a>0,a=1ca<0, a≠1a < 0,\, a \neq 1a<0,a=1daaa may be any real number