Question Number 8985 by j.masanja06@gmail.com last updated on 10/Nov/16
$$\mathrm{solve}\:\mathrm{the}\:\mathrm{value}\:\mathrm{of}\:\mathrm{x} \\ $$$$\mathrm{log}_{\mathrm{x}} \mathrm{3}=\mathrm{81} \\ $$
Answered by Rasheed Soomro last updated on 10/Nov/16
$$\mathrm{log}_{\mathrm{x}} \mathrm{3}=\mathrm{81} \\ $$$$\mathrm{x}^{\mathrm{81}} =\mathrm{3} \\ $$$$\mathrm{x}=\left(\mathrm{3}\right)^{\mathrm{1}/\mathrm{81}} \\ $$