MATHEMATICS 2/ [First Stage / Dep. Of Environmental Sciences/ Lecturer : Ala'a H. Khaleel] [Lec2] EXAMPLE 13 Choosing Which Rule to Use Rather than using the Quotient Rule to find the derivative of (x – 1)(x² – 2x) y = - expand the numerator and divide by x*: (x – 1)(x² – 2x) x³ – 3x² + 2x - 3x-2 + 2x-3. y = Then use the Sum and Power Rules: The university doctor asked me dy -x2 - 3(-2)x-3 + 2(-3)x¬ to solve the dx question indicated by the arrow in the picture without the method of solution 1 6 mentioned in the image and wanted to solve the that the final question in the traditional way, product of the new the numerator and denominator solution is method, meaning that he wanted to solve the question in more steps than the method in identical to the output surrounding the circuit As the which the question was solved in the image, provided picture
Minimization
In mathematics, traditional optimization problems are typically expressed in terms of minimization. When we talk about minimizing or maximizing a function, we refer to the maximum and minimum possible values of that function. This can be expressed in terms of global or local range. The definition of minimization in the thesaurus is the process of reducing something to a small amount, value, or position. Minimization (noun) is an instance of belittling or disparagement.
Maxima and Minima
The extreme points of a function are the maximum and the minimum points of the function. A maximum is attained when the function takes the maximum value and a minimum is attained when the function takes the minimum value.
Derivatives
A derivative means a change. Geometrically it can be represented as a line with some steepness. Imagine climbing a mountain which is very steep and 500 meters high. Is it easier to climb? Definitely not! Suppose walking on the road for 500 meters. Which one would be easier? Walking on the road would be much easier than climbing a mountain.
Concavity
In calculus, concavity is a descriptor of mathematics that tells about the shape of the graph. It is the parameter that helps to estimate the maximum and minimum value of any of the functions and the concave nature using the graphical method. We use the first derivative test and second derivative test to understand the concave behavior of the function.
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