Question

Логарифм, помогите решить!

Answer 1

㏒₃₀(150*6)=㏒₃₀900=㏒₃₀30²=2㏒₃₀30=2. 
㏒₇₈₄(1/4*1/7)=㏒₇₈₄(1/28)=㏒₂₈²(28⁻¹)=-1/2=-0,5
㏒₁₂(36*4)=㏒₁₂144=㏒₁₂12²=2㏒₁₂12=2
㏒₁/₃₀(5*6)=-㏒₃₀30=-1