Mathematics
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Kaind
  • Member for 6 years, 4 months
  • Last seen this week
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All Questions Answers
Score Newest
question
8
For $a,b,c,d > 0$ and $abcd = 1$, show that $\frac{1}{a} + \frac{1}{b} + \frac{1}{c} + \frac{1}{d} + \frac{12}{a + b + c + d} \geq 7$
Jun 5, 2019
question
7
Computing determinant of a specific matrix:
Apr 22, 2018
question
5
Shortest distance between two non-intersecting differentiable curves is along their common normal
Aug 14, 2018
question
5
4 normals can be drawn from any point to an ellipse proof doubt: How do we know the key quartic has 4 distinct real roots? [duplicate]
Aug 30, 2018
question
4
Value of cos 1 (angle is in radians)?
Jul 13, 2019
question
4
Concavity/ Convexity of power means function?
Apr 3, 2021
question
4
How did root of the equation $x= \sqrt{(2-x)(3-x)} + \sqrt{(3-x)(5-x)} + \sqrt{(2-x)(5-x)}$ vanish while solving?
Jun 3, 2018
question
4
Solve for $x$: $x^{x-1} - (x-1)^x = 1$
Apr 26, 2018
question
4
Direct Sum of Groups - are there 2 types of direct sums?
Feb 8
answer
3
Find all the positive integers k for which $7 \times 2^k+1$ is a perfect square
Sep 20, 2018

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