Normal to curve, differential equation, minimum point, differentiation, exponential function.

[STEP I 1989 Question 6 (Pure)]

Tangent and normal, parabola, determinant, area, necessary and sufficient, concurrent.

[STEP III 1988 Question 8 (Pure)]

Square, C1.

[STEP I 1988 Question 3 (Pure)]

Fixed point, curve, rectangle, vertices, area, arc, parabola, integration, finding area.

[STEP I Specimen Question 8 (Pure)]