Integration by Substitution | OCR A-Level Maths | 40 Worked Examples (H240)

40 fully worked OCR A-Level Mathematics A (H240) questions on integration by substitution, graded Easy to Challenging. Every solution is broken down one step at a time with a plain-English reason for each line and OCR-style mark-scheme annotations (M/A/B), so students can see exactly where the method and accuracy marks are earned. Covers the reverse chain rule, the f’(x)/f(x) logarithm pattern, definite integrals with changed limits, given and self-chosen substitutions, trigonometric substitutions (x = a sin theta) and ‘show detailed reasoning’ exact-answer questions, all matched to OCR H240 spec point 1.08h. Ideal for exam preparation, homework, cover lessons and revision. Created by Aaditya Kalwani for Locus Tutors.