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 Nov20 revised Finding the roots of $x^2+(3+5i)x+(7+11i)=0$ added 542 characters in body Nov11 revised Is the derivative of $\{x\}$ on $(0,1)$ always equal to $1$? added 311 characters in body Nov10 revised Is the derivative of $\{x\}$ on $(0,1)$ always equal to $1$? added 1 character in body Nov10 revised Is the derivative of $\{x\}$ on $(0,1)$ always equal to $1$? added 1 character in body Nov9 revised Finding a limit using L'Hospital's rule edited title Nov9 revised Finding a limit using L'Hospital's rule edited body Oct24 revised Nature of the range of $e^x$ added 14 characters in body Oct24 revised Nature of the range of $e^x$ deleted 11 characters in body Oct20 revised Specific form of differential equation deleted 2 characters in body Oct20 revised Specific form of differential equation added 31 characters in body Oct16 revised Quotient of two rational sequences and the nature of its limit added 19 characters in body Oct15 revised Quotient of two rational sequences and the nature of its limit added 66 characters in body Oct15 revised Quotient of two rational sequences and the nature of its limit edited tags Sep30 revised Why does being holomorphic imply so much about a function? added 367 characters in body Sep26 revised Can I use the residue calculus here? added 205 characters in body Sep25 revised There is at most one way to represent a number as $a+b\sqrt 2$ with rational $a,b$ added 4 characters in body Sep25 revised Find the first derivative $y=\sqrt\frac{1+\cosθ}{1-\cosθ}$ added 254 characters in body Sep23 revised Bounds on the real and imaginary parts of the digamma function $\psi$ deleted 12 characters in body Sep23 revised Bounds on the real and imaginary parts of the digamma function $\psi$ added 48 characters in body Sep23 revised Bounds on the real and imaginary parts of the digamma function $\psi$ added 48 characters in body