In this chapter, you will learn real life scenarios on how to calculate the profit and loss in business using graphs, temperature variations, in the study of seismology like to find the range of magnitudes of the earthquake and to check the speed or distance covered such as miles per hour or kilometre per hour etc. Derivatives are also used in physics equations. Most interestingly, you will understand the increasing and decreasing functions, tangent and normal to a curve, rate of change of a quantity, minimum and maximum values, Newton’s method, Linear Approximations.
The short-cut technique to score good marks in maths is to practice. Do not mug up the solutions, try to understand them and solve it in your own way and then check whether the process followed is correct or wrong. Learning the formulas and equations will help you remember the concept for a long run in this chapter. Concentrating on the topics that you are weak and try to practice them as much as you can.
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