Derivatives Definition

Derivative of a variable y with respect to x is defined as the ratio between the change in y and change in x, depending upon the condition that changes in x should be very small tending towards zero.

dy/dx = lim ∆x⇢0  ∆y / ∆x = lim h⇢0  (f(x + h) – f(x)) / h.

Where, 

  • ∆x OR h is change in x, and
  • ∆y OR f(x + h) – f(x) is change in y.

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Application of Derivatives

Derivatives are a fundamental concept in calculus. They measure how a function changes as its input changes. This makes Derivatives very useful in various fields. For example, derivatives help in understanding motion, growth, and change in physical, economic, and engineering systems. They are used to find rates of change, slopes of curves, and to solve optimization problems. By understanding derivatives, we can predict how things will change and make better decisions based on this information.

Table of Content

  • Derivatives Definition
  • Application of Derivatives in Math
    • Rate Change of Quantities
    • Increasing and Decreasing Function
    • Approximation
    • Monotonicity
    • Maxima and Minima
    • Tangent and Normal
  • Real-Life Applications of Derivatives
  • Sample Problems on Applications of Derivatives

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Derivatives Definition

Derivative of a variable y with respect to x is defined as the ratio between the change in y and change in x, depending upon the condition that changes in x should be very small tending towards zero....

Application of Derivatives in Maths

Derivatives play a very important role in the world of Mathematics and also they have various applications beyond mathematics as well i.e., in engineering, architecture, economics, and several other fields. Many proofs of physics and engineering involve applications of derivatives as various physical quantities are the rate change of something over something. For example, velocity is the rate change of displacement, acceleration is the rate change of velocity, etc....

Real-Life Applications of Derivatives

Derivatives are mathematical tools used to calculate rates of change. They have numerous real-life applications across various fields....

Sample Problems on Applications of Derivatives

Problem 1: Find the equation of the tangent and the normal to the circle having equation x2 + y2 = a2 at a point (3, 6)....

Applications of Derivatives – FAQs

What is Derivatives?...

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