log3^2=a log3^7 =b 求log8^98
问题描述：
log3^2=a log3^7 =b 求log8^98
答
log8(98)=log3(98)/log3(8)=(log3(2)+log3(7^2))/log3(2^3)=(a+2b)/(3a)
log3^2=a log3^7 =b 求log8^98
log8(98)=log3(98)/log3(8)=(log3(2)+log3(7^2))/log3(2^3)=(a+2b)/(3a)