Question

integration of 1 by X into DX

Answer 1

Integrate 1 x dx

Indefinite intregalof 1/x. In differential ​calculus we learned that the derivative of ln(x) is 1/x .Intergration goes the other way: the intregall (or antiderivative) of 1/x should be a function whose derivative is 1/x. As we just saw, this is ln(x).

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