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Well, I love calculus. But sometimes, its confusing. Ever been though a time while you haven't been to a single calc class, and just learn it all though reading a textbook not being able to ask questions?

It's hard.

I'm having a problem.

f (x) = (integral sign) F(x) dx

I don't understand the constant of integration, and why it can be anything.

but the main problem here is whast the difference between an indefinite integral and a definite integral with dx?

I know the integral sign from a to b dx means all the infinitely small pieces of x added together.

But I don't understand the integral sign and dx together without area, like the above example.

What does x stand for?

Since this is a function of f(x), if it was f(t) would it be dt?

Would this just mean the "change in" aka delta t?

And i asked my teacher at my school what the difference between dx and dx/x is, but I forgot already :(

Thanks for the help, I wish I would have known of this forum earlier.

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# Help with dx

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