Question Number 197290 by sonukgindia last updated on 12/Sep/23
Commented by mahdipoor last updated on 12/Sep/23
$${log}_{\mathrm{7}} {A}={log}_{\mathrm{7}} \left(\frac{\mathrm{36}}{\mathrm{9}}\right)\Rightarrow{A}=\mathrm{4}\Rightarrow{log}_{\mathrm{2}} {A}=\mathrm{2} \\ $$