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15 hours ago · The Chain Rule is used in calculus to differentiate composite functions. A composite function is a function that is made up of two or more functions, such that the output of one function becomes the input of another. The Chain Rule helps us find the derivative of such functions. Step 2/9
15 hours ago · Complex number. A complex number can be visually represented as a pair of numbers (a, b) forming a vector on a diagram called an Argand diagram, representing the complex plane. Re is the real axis, Im is the imaginary axis, and i is the "imaginary unit", that satisfies i2 = −1. In mathematics, a complex number is an element of a number system ...
