New posts in Fake Proofs

Since we can fill a circle with infinitely-many copies of its radius, isn't $\frac{\text{Circle area}} {\text{Circle radius}} =\infty?$

Mistake proving that $3 = 0$

What is wrong with my 'proof' of $i=1$?

What's wrong with this proof of $3=0$ starting from $x^2+x+1=0$?

What is wrong with this proof that inaccessible cardinals are inconsistent

Does L'Hopital's rule imply that $\lim_{x\to a}\frac{f'(x)}{g'(x)} = \lim_{x\to a}\frac{f(x)}{g(x)}$ always?

Evaluate $\lim _{n\to \infty }\int _{0}^{1}nx^ne^{x^2}dx$

Proof that any number is equal to $1$

Invertibility of elements in $A[x]$ with coefficients in the Jacobson radical

Is $\sin(\alpha)=\frac{\tan(\alpha)}{\sqrt{1+\tan^2(\alpha)}}$ a true statment?