Use proof by contradiction to prove that the curve with equation
y=3x+x5+sinx y = 3x + x^5 + \sin x y=3x+x5+sinxhas no stationary points.
368 exam-style questions on Edexcel A Level Maths Algebraic Methods, covering 1.1 Proof by Contradiction, 1.2 Algebraic Fractions, 1.3 Partial Fractions, 1.4 Repeated Factors, and 1.5 Algebraic Division. Each one has a worked solution and a mark scheme showing where the marks go.