C-04-Q135mediumsingle_mcqrlogaM=loga?r \log_a M = \log_a ?rlogaM=loga?arMrMrMbM/rM/rM/rcMrM^rMrdrMr^MrMব্যাখ্যাBy the power rule a coefficient can be moved inside as an exponent, so rlogaM=logaMrr\log_a M = \log_a M^rrlogaM=logaMr.