Question 1 of 5inequalities / indices
5 free questions here · 34 in the Danho app
Questions on this topic only, marked as you go. This is the same experience as the app.
Solve the inequality |3^{-3x} - 54| < 27.
Solve the simultaneous equations 2^x + 3^y = 5 and 2^{x+2} - 3^{y+1} = 13.
Solve the equation 5^{x-1} + 5^{x-2} = 30.
Solve the equation e^{2x} = 4e^{2-x}, giving your answer in exact form.
Solve the equation 3^{x-1} + 3^{x-2} = 12.