Really simple integral question

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In summary, an integral is a mathematical concept used to find the area under a curve and the total value of a function over a specific interval. Integrals are important in various fields such as physics, engineering, and economics, and can be solved using methods like substitution, integration by parts, and special integration rules. There are two types of integrals - definite and indefinite - with different purposes. In real life, integrals are used for tasks such as calculating work, finding average values, determining volume, and solving optimization problems.
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Homework Statement


how do i start solving the integral of root(1+9x)? thank you

Homework Equations





The Attempt at a Solution

 
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  • #2
Use a substitution for the term in the root.
 
  • #3
I got it thank you
 

What is an integral?

An integral is a mathematical concept used to calculate the area under a curve in a graph. It is also used to find the total value of a function over a specific interval.

Why are integrals important?

Integrals are important in many scientific fields, including physics, engineering, and economics. They are used to solve a variety of problems and make predictions about the behavior of systems.

How do you solve an integral?

There are several methods for solving integrals, including substitution, integration by parts, and using special integration rules. It is important to choose the appropriate method based on the complexity of the integral.

What is the difference between a definite and indefinite integral?

A definite integral has specific limits of integration, meaning it calculates the area under a curve between two points. An indefinite integral does not have specific limits and instead gives the general anti-derivative of a function.

How are integrals used in real life?

Integrals are used in many real-life applications, such as calculating the work done by a force, finding the average value of a function, and determining the volume of a three-dimensional shape. They are also used in data analysis and optimization problems.

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