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hunt_mat said:You're fixing a point z and calculating the electric field there, the limits are easy, you have [itex]L=\tan\theta[/itex] and so the upper limit is [itex]\theta \tan^{-1}L[/itex], the lower on is just 0.
An integral is a mathematical concept used to find the area under a curve. It is a fundamental tool in calculus and is often used to solve problems involving rates of change and accumulation.
To calculate an integral, you need to use a specific method called integration. This involves finding the antiderivative of the function and then evaluating it at the upper and lower limits of integration.
There are two main types of integrals: definite and indefinite. A definite integral has specific limits of integration and gives a numerical value, while an indefinite integral does not have limits and gives a general function.
Yes, there are some integrals that can be solved without using formulas. These can be solved through techniques such as substitution, integration by parts, or trigonometric identities.
Integrals have many applications in fields such as physics, engineering, and economics. They are used to solve problems involving rates of change, motion, optimization, and area/volume calculations.