Evaluating Integral Functions
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I'm taking a DE calculus class and I'm having problems figuring out the logic in solving some of the problems.
The given integral is improper because both the interval of integration is unbounded and the integrand is unbounded near zero. Investigate its convergence by expressing it a sum of two intergrands-one from 0 to 1 and one from 1 to infinity. Evaluate the integrals if they converge.
1/(x^2/3 + x^4/3) dx
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Solution. Since 1/(x^2/3+x^4/3)=3/(x^2+x^4)=3{1/x^2-1/(x^2+1)}
We know that if the integrand f(x)=1/(x^2+1), then integrate x from 0 to infinity, ...
Solution Summary
The expert evaluates integral functions. The convergence expressing of two integrands are provided.
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