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This session focuses on essential differentiation techniques in calculus, including fundamental rules, product and quotient rules, and differentiation of functions of a function (chain rule). We also cover trigonometric substitutions and implicit differentiation, providing step-by-step solutions for each method. Through examples and class exercises, students will learn how to differentiate complex functions effectively. By the end of the session, students will be equipped to tackle a variety of differentiation problems with confidence and clarity.
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Session Differentiation - 2
Session Objectives • Fundamental Rules, Product Rule and Quotient Rule • Differentiation of Function of a Function • Differentiation by Trigonometric Substitutions • Differentiation of Implicit Functions • Class Exercise
Differentiate the following: Example-1
Solution Differentiating y with respect to x, we get
are differentiable functions, then If and Product Rule
Differentiate: w.r.t. x. Example-2 Solution Let y =x2sinxlogx Differentiating w.r.t. x, we get
, then are differentiable functions and If and Quotient Rule
Differentiate: w.r.t. x. Example-3 Solution: Differentiating w.r.t. x, we get
, then and Note: If Differentiation of Function of a Function If ƒ(x) and g(x) are differentiable functions, then ƒog is also differentiable (Chain Rule)
Differentiate w. r. t. x. Example-4 Solution: Differentiating y w.r.t. x, we get
Example-6 Solution: Putting x2 = cos2q
Continued Differentiating y w.r.t. x, we get
Differentiation of Implicit Functions y is not expressible directly in terms of x
Example-8 Solution: We have xy3 – yx3 = x