Is this logic of solving $\frac{0}{0}$ correct
89535
fake proof of $\forall a. \forall b. a = b \to 1 = 0$
57981
Alternative proof of $a\times0= 0$
129394
understanding $\frac{\partial x}{\partial y}\frac{\partial y}{\partial z}\frac{\partial z}{\partial x}=-1$
158420
Is $\frac00=\infty$? And what is $\frac10$? Are they same? Does it hold true for any constant $a$ in $\frac{a}0$
53307
how to strictly prove $\sin x<x$ for $0<x<\frac{\pi}{2}$
20988
Notation for specifying the fractional part of a number
43226
Intuition behind logarithm inequality: $1 - \frac1x \leq \log x \leq x-1$
106828
If $0 \lt x \lt \frac{\pi}{2}$, is $\cos(x) \le \frac{\sin(x)}{x} \le \frac{1}{\cos(x)}$?
108923
What is wrong with this false proof? $-1=(-1)^1=(-1)^\frac{2}{2}=((-1)^2)^\frac{1}{2}=\sqrt{(-1)^2}=\sqrt{1}=1$
158335
Why is this $0 = 1$ proof wrong?
91000
Prove that $\frac{1}{a+1}0$
128355
Does $e^{tx} + x = t - 1$ yield a solution/s to $\frac{dx}{dt} = \frac{e^{-tx} - x}{e^{-tx} + t}$?
115598
Evaluating $\int_{0}^{1} dx\frac{\log(1+x)}{1 + x^2}$
26287
Find $\frac{a^2}{2a^2+bc}+\frac{b^2}{2b^2+ac}+\frac{c^2}{2c^2+ab}$ if $a+b+c=0$
89265
Proving that $x - \frac{x^3}{3!} 0$
31954
Why this proof $0=1$ is wrong?(breakfast joke)
67429
Solve $\lim_{x\to0}{\frac{x^2\cdot\sin\frac{1}{x}}{\sin x}}$