Differential equation

Pain-killing drug modelling, brain, system of first order equations.

[STEP III 2012 Question 7 (Pure)]

Substitution, general solution, forced first order equation.

[STEP III 2012 Question 1 (Pure)]

Substitution, general solution.

[STEP I 2012 Question 8 (Pure)]

Substitution, general solution.

[STEP III 2011 Question 1 (Pure)]

Newton's second law, gravitational force, variable mass.

[STEP III 2009 Question 11 (Mechanics)]

Implicit differentiation, substitution.

[STEP III 2008 Question 6 (Pure)]

Substitution, general solution, conjecture.

[STEP II 2008 Question 7 (Pure)]

Line, circle, parabola.

[STEP I 2008 Question 8 (Pure)]

Differentiation, logarithm function, quadratic equation.

[STEP II 2007 Question 6 (Pure)]

Hyperbolic functions, asymptotes.

[STEP III 2006 Question 7 (Pure)]