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Oct
5
revised Prove rational sum and product of two irrational numbers
improved formatting
Oct
5
suggested approved edit on If $\int_{0}^{1}f(x)dx=1,\int_{0}^{1}xf(x)dx=2,\int_{0}^{1}x^2f(x)dx=3$,then the number of roots of $f(x)=0$ in $(0,1)$
Oct
5
suggested approved edit on Prove rational sum and product of two irrational numbers
Sep
24
suggested rejected edit on Is there a closed formula for $\binom{a}{k}+\binom{b}{k}-\binom{c}{k}$?
Sep
24
revised Prove $\blacktriangle ABC$ is a right triangle
improved title
Sep
24
suggested approved edit on Prove $\blacktriangle ABC$ is a right triangle
Sep
24
revised Prove $\blacktriangle ABC$ is a right triangle
improved formatting
Sep
24
suggested approved edit on Prove $\blacktriangle ABC$ is a right triangle
Sep
22
suggested rejected edit on Explore the convergence of the integral $\int \:\frac{dx}{arccos\left(x\right)}$
Sep
21
revised How to compute the limit?
question retagged
Sep
21
suggested approved edit on How to compute the limit?
Sep
20
revised Why have we chosen our number system to be decimal (base 10)?
improved question
Sep
20
suggested approved edit on Why have we chosen our number system to be decimal (base 10)?
Sep
19
revised Evaluating $\lim\limits_{x \to 0} \frac{((\sin^2(x^2)+\tan^3(x^3)+\sin^4(x^4))}{(\cos(\sin(x))-\cos(\tan(x))))}$
fix equation
Sep
19
suggested approved edit on Evaluating $\lim\limits_{x \to 0} \frac{((\sin^2(x^2)+\tan^3(x^3)+\sin^4(x^4))}{(\cos(\sin(x))-\cos(\tan(x))))}$
Sep
15
revised How to differentiate $(\ln n) ^{\ln n}$?
improved equation formatting
Sep
15
suggested approved edit on How to differentiate $(\ln n) ^{\ln n}$?
Sep
7
revised Is it possible to calculate log10 x without using log?
improved formatting
Sep
7
suggested approved edit on Is it possible to calculate log10 x without using log?
Sep
5
revised Definite Integral: $\int_0^{2 \pi} \frac{d\phi}{z + b \cos(\phi)}$
improved question formatting