I need to show that integral of sin(x^2) from 1 to infinity converge The only hint I have is "Let ". I did a change of variable at first and an integration by parts, but now I'm stuck. Does anyone can help me. Thanks
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Originally Posted by solvj The only hint I have is "Let ". I did a change of variable at first and an integration by parts, but now I'm stuck. Good, now use and the fact that is convergent.
Thank you, that completes my proof.