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## Homework Statement

integral of 1/1+25x^2 evaluated at sqrt.3/5 and 0/

## Homework Equations

arctan=1/1+x^2

arcsing=1/(sqrt.(1-x^2))

lnx=1/x

## The Attempt at a Solution

not sure if i have to use substitution or use lnx=1/x

this is what i tried, probably not right, integral 1/1+25x^2 = ln(1+25x^2)