1st Mathbook
@MyMathBook1
About mathematic, tutorial, and ask the quite hard questions. Main Book: Purcell-Rigdon-Varberg
1st Mathbook reposted
One of our math1b students discovered, Mathematica finds this true: Integrate[Cos[Sqrt[x]]/Sqrt[x],{x,1,Infinity}] == -2Sin[Sqrt[1]] Why?
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