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Trigonometric substitution. Partial fractions in integration. Quadratic integral. Proof that 22/7 exceeds π. Trapezium rule. Integral of the secant function. Integral of secant cubed. Arclength. Solid of revolution.
Oral exam. The oral exam (also oral test or viva voce; Rigorosum in German-speaking nations) is a practice in many schools and disciplines in which an examiner poses questions to the student in spoken form. The student has to answer the question in such a way as to demonstrate sufficient knowledge of the subject to pass the exam.