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8h
revised Integer value of the given radical: $\sqrt{2+\sqrt{5}-\sqrt{6-3\sqrt{5}+\sqrt{14-6\sqrt{5}}}}$
edited body
11h
revised Integer value of the given radical: $\sqrt{2+\sqrt{5}-\sqrt{6-3\sqrt{5}+\sqrt{14-6\sqrt{5}}}}$
added 35 characters in body
11h
answered Integer value of the given radical: $\sqrt{2+\sqrt{5}-\sqrt{6-3\sqrt{5}+\sqrt{14-6\sqrt{5}}}}$
11h
answered Complex Addition
12h
comment Prove the inequality regarding complex numbers
@MartinR, Sorry for the typo
12h
revised Prove the inequality regarding complex numbers
deleted 1 character in body
13h
comment Prove the inequality regarding complex numbers
@Ayushakj,This is called en.wikipedia.org/wiki/Proof_by_contradiction. I've chosen $|z|\le\dfrac34$
13h
revised Prove the inequality regarding complex numbers
added 46 characters in body
13h
comment Prove the inequality regarding complex numbers
@Ayushakj See cut-the-knot.org/arithmetic/algebra/…
14h
answered x^x^x^…=2, what is the value of x?
14h
answered Prove the inequality regarding complex numbers
1d
answered $n$ such that $9$ divides $(n+3)(n-3)(n+1)(n-1)(n-100)$
1d
answered Congruence problem $12x\equiv3\pmod{45}$
1d
answered Integrate $\int \frac{x^7}{(1-x^4)^2}dx$
1d
answered Solve equation $\frac{1}{x}+\frac{1}{y}=\frac{2}{101}$ in naturals
1d
comment $17x+11y \equiv 7 \pmod {29}$ and $13x+10y \equiv 8 \pmod {29}$. What are x and y?
@MartinSleziak, Updated
1d
revised $17x+11y \equiv 7 \pmod {29}$ and $13x+10y \equiv 8 \pmod {29}$. What are x and y?
deleted 5 characters in body
1d
comment series $\sum_{n=0}^{\infty}9^{n}z^{2n}$
@lucad93, See en.wikipedia.org/wiki/Geometric_series#Proof_of_convergence
2d
comment How to proceed from $\cot(x)\cot(2x)-\cot(2x)\cot(3x)-\cot(3x)\cot(x) = 1$
@AayushAgrawal, See also: math.stackexchange.com/questions/189621/…
2d
comment How to proceed from $\cot(x)\cot(2x)-\cot(2x)\cot(3x)-\cot(3x)\cot(x) = 1$
@AayushAgrawal, What is $\tan(A+B+C)$ in terms of $\cot$ ?