Here both f (x) and u(x) need to be positive for
this technique to make sense —v
v
v
v
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Rationalised 2023-24
v With the Calculus as a key, Mathematics can be successfully applied
to the explanation of the course of Nature ” — WHITEHEAD v
6 1 Introduction
In Chapter 5, we have learnt how to find derivative of composite functions, inverse
trigonometric functions, implicit functions, exponential functions and logarithmic functions