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Nitin Uniyal's user avatar
Nitin Uniyal's user avatar
Nitin Uniyal's user avatar
Nitin Uniyal
  • Member for 9 years, 3 months
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I am a Mathematics educator currently teaching in University of Petroleum & Energy Studies, Dehradun, India. I enjoy learning Mathematics here through solving problems related to Pure and Applied Mathematics.

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10
What is the rank of a $5 \times 5$ matrix $A$ if $A^{-1}$ exists?
Sep 21, 2016
question
9
Number of zeroes of solution to $y''(x)+e^{x^2}y(x)=0$ in $[0,3π]$
Dec 29, 2016
answer
7
Find values of $x$ so that the matrix is invertible
Jul 13, 2019
answer
7
Explain why a line can never intersect a plane in exactly two points.
Jun 18, 2019
answer
6
If $x^2+2(\alpha-1)x-\alpha+7=0$ has distinct negative solutions...
Aug 12, 2022
answer
6
Determinant of odd matrix
Dec 30, 2016
answer
6
Residue of $e^{z+\frac1z}$ at $0$.
Jul 26, 2016
answer
5
V.I. Arnold says Russian students can't solve this problem, but American students can -- why?
Jan 14, 2017
question
5
Simple proof of Cauchy Integral formula for derivatives
Mar 29, 2017
answer
5
Show $(a, b) \sim\Bbb R$ for any interval $(a, b)$
Aug 8, 2018
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5
Are there published mathematics research papers that contribute a new approach for understanding a known result, rather than new theorems?