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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An integral is area under a curve. It is accumulated quantity. If you have an equation that defines how fast water enters a closed tank, the integral will give you the amount of water in the tank at the time specified, or the change in amount between two times.
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