Is the Integral Solved Using Integration by Parts?

In summary, a definite integral is a mathematical concept used to calculate the area under a curve between two specific points on a graph. It is represented by the symbol ∫ and is used in calculus to find the exact value of an area that cannot be easily measured. It differs from an indefinite integral in that it has specific upper and lower limits, resulting in a specific numerical value rather than a function. The steps to solving a definite integral include determining the limits of integration, simplifying the function, applying integration rules, and substituting the limits to calculate the final result. Some common applications of definite integrals include finding area and volume, determining displacement and velocity, and estimating probabilities. To improve skills in solving definite integrals, it is recommended to
  • #1
MillerL7
14
0
Consider the Integral: a=0 b=1 (x^2)(sqrt(9x+8))dx

Does u=(9x+8) ?
can we factor out the x^2?

We have to give the value that the definite integral is
 
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  • #2
you have to use integration by parts. you want

u= 9x+8
du=9dx
v= (x^3)/3
dv=x^2dx

then figure out [ uv - integral of (vdu) ]
(x^3)/3 * (9x+8) - integral of [ (x^3)/3 * 9dx)]
 

FAQ: Is the Integral Solved Using Integration by Parts?

What is a definite integral?

A definite integral is a mathematical concept used to calculate the area under a curve between two specific points on a graph. It is represented by the symbol ∫ and is used in calculus to find the exact value of an area that cannot be easily measured.

How is a definite integral different from an indefinite integral?

A definite integral has specific upper and lower limits, while an indefinite integral does not. This means that a definite integral will give a specific numerical value as the result, while an indefinite integral will give a function as the result.

What are the steps to solving a definite integral?

The first step is to determine the limits of integration, which are the points between which the area is being calculated. Then, the function inside the integral must be simplified as much as possible. Next, apply the power rule or any other appropriate integration rules to solve the integral. Finally, substitute the limits of integration into the solution and calculate the final result.

What are some common applications of definite integrals?

Definite integrals have many real-world applications, including calculating the area under a curve, finding the volume of a solid, determining displacement and velocity in physics, and estimating probabilities in statistics.

How can I improve my skills in solving definite integral homework?

The best way to improve your skills in solving definite integrals is to practice regularly. Make sure you have a solid understanding of the fundamental principles and rules of integration and practice solving a variety of problems. It can also be helpful to seek out additional resources such as textbooks, online tutorials, or working with a tutor.

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