Question Number 185413 by Safiullah_21 last updated on 21/Jan/23
$$\mathrm{2}^{{x}} ={a} \\ $$$$ \\ $$
Answered by alephzero last updated on 21/Jan/23
$$\mathrm{2}^{{x}} \:=\:{a} \\ $$$$\mathrm{log}_{\mathrm{2}} \:\mathrm{2}^{{x}} \:=\:\mathrm{log}_{\mathrm{2}} \:{a} \\ $$$$\underline{{x}\:=\:\mathrm{log}_{\mathrm{2}} \:{a}} \\ $$