Evaluate the following integral for :

Since we may write

Now, make the substitution and . Then we have,

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Stumbling Robot

A Fraction of a Dot
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Evaluate the integral of *1 / (a*^{2} + x^{2})

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### Point out an error, ask a question, offer an alternative solution (to use Latex type [latexpage] at the top of your comment):

Evaluate the following integral for :

Since we may write

Now, make the substitution and . Then we have,

Why did 1/a^2 become 1/a ??

bcz when u=x/a du/dx=1/a du=dx/a this a is used from 1/a^2

You have to divide the whole expression by 1 / a since it is (x/a)^2.

Thank u it helped me

Good work

arc means???

arctan is inverse tan

Yup dude arctan is tan-¹(x/y)