Part II | How to Find f(x) When F′(x) Is Given | Solve dy/dx to Find y (Step-by-Step Guide)

Описание: In this Core Mathematics C1 (AS Level) lesson, we explore how to find the equations of tangent and normal lines using differentiation. This is a key application of derivatives and an important topic in AS Level Modular Mathematics. You will learn how to calculate the gradient of a curve at a given point using the first derivative, determine the equation of the tangent line, and then use the negative reciprocal to find the equation of the normal line. The lesson includes clear step-by-step explanations and exam-style examples designed to help you score full marks in C1 examinations such as WAEC, NECO, Cambridge, and Edexcel.

This tutorial strengthens your understanding of differentiation and connects directly to other C1 topics such as rate of change, stationary points, and curve sketching. Mastering tangent and normal lines builds a strong foundation for C2 and further calculus studies.

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