What is the integral from-2 to 4 of 1/x ?

The integral from-2 to 4 of 1/x is diverges

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integral from-2 to 4 of 1/x

\int_{- 2}^{4} \frac{1}{x} d x

diverges

Solution steps

\int_{- 2}^{4} \frac{1}{x} d x

Find undefined (singularity) points:

x = 0

If exist

b, a < b < c, f (b) =

undefined

, \int_{a}^{c} f (x) d x = \int_{a}^{b} f (x) d x + \int_{b}^{c} f (x) d x

= \int_{- 2}^{0} \frac{1}{x} d x + \int_{0}^{4} \frac{1}{x} d x

\int_{- 2}^{0} \frac{1}{x} d x =

diverges

If part of the expression diverges, then entire expression diverges

= diverges

\int_{4.2}^{9.9} (12 x^{2} - 6 x + 4) d x

\int_{0}^{4} \frac{1}{2} x d x

\int_{1}^{- 1} x^{2} - 1 d x

\int_{0}^{1} \frac{x}{1 - x} d x

\int_{- 1}^{2} \frac{x}{( x ^{2} + 1 ) ^{2}} d x

What is the integral from-2 to 4 of 1/x ?
The integral from-2 to 4 of 1/x is diverges