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Albus Dumbledore
  • Member for 4 years, 3 months
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  • Kerala, India
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B.tech in IIT Bombay chemical engineering

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28
Proving $abcd+3\geq a+b+c+d$
Jan 18, 2021
13
Five roots of $x^5+x+1=0$ and the value of $\prod_{k=1}^{5} (2+x_k^2)$
Aug 25, 2020
11
Find the last $2$ digits of $9^{100}$
Aug 15, 2020
10
number of solutions of $f(f(f(f(x))))$
Aug 8, 2020
9
Find all positive integers $a,b,c,x,y,z$ satisfying $a+b+c=xyz$ and $x+y+z=abc$.
Sep 4, 2020
9
Inequality with $abc=1$
Feb 5, 2021
9
JEE Main 2019:finding $\lim_{x \to \infty} \frac{f(x)}{x}$
Feb 1, 2021
8
Prove the polynomial $x^4+4 x^3+4 x^2-4 x+3$ is positive
Jan 11, 2021
8
Lower bound for sum of reciprocals of positive real numbers
Nov 22, 2020
8
How to find sum of $\frac{1}{2}+\frac{3}{8}+\frac{15}{48}+\frac{105}{384}+\cdots$?
Nov 20, 2020
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Advice on closing questions as duplicates