What is an integral?

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I’m in CalcII now and for the life of me cannot wrap my head around integrals. Now we are using things like u-Substitution methods and solving the areas between 2 curves. I can understand how the equations work, but not why because I still cannot picture what an integral is or why it’s important.

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Anonymous 0 Comments

Just curious, how did you learn how to do integrals without being taught the stepwise method of rectangles under a curve and making them skinnier and skinnier until they are infinitesimally-thin slices??

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