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Recent questions tagged maths

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1
How to calculate modulus of an exponential number?
asked Feb 3, 2019 in Mathematical Logic Reshu $ingh 271 views
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2
In an undirected graph a self loop counts to how many edges? I read somewhere that in case of undirected graph we consider self loop to have 2 edges?
asked Jan 2, 2019 in Mathematical Logic manisha11 54 views
1 vote
2 answers
3
A light on the ground is 30 feet away from a building. A 4 foot tall man is walking from the light to the building at a rate of 3 feet per second. He is casting a shadow on the side of the building. At what rate is his shadow shrinking when he is 5 feet from the building?
asked Mar 14, 2018 in Calculus Mk Utkarsh 253 views
1 vote
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4
In an M×N matrix all non-zero entries are covered in a rows and b columns. Then the maximum number of non-zero entries, such that no two are on the same row or column, is
asked Nov 11, 2017 in Linear Algebra hem chandra joshi 54 views
2 votes
2 answers
5
If 0$<$x$<$1 then (a) $\sqrt{\frac{1-x}{1+x}} < \frac{log(1+x)}{sin^{-1}x} < 1$ (b) $\sqrt{\frac{1-x}{1+x}} > \frac{log(1+x)}{sin^{-1}x} > 1$ (c) $\sqrt{\frac{1-x}{1+x}} > \frac{log(1+x)}{sin^{-1}x} < 1$ (d) $\sqrt{\frac{1-x}{1+x}} < \frac{log(1+x)}{sin^{-1}x} > 1$
asked Nov 8, 2017 in Calculus Sukannya 155 views
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8
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e Q) The number of positive integers satisfying the inequality are ________ $^{n+1}C_{(n-2)} + ^{n+1}C_{(n-1)}\leq 90$ getting n= 1 to 9 so answer should be 9 but answer given is 8 (2 to 9)
asked Jan 24, 2016 in Operating System Vertika Srivastava 99 views
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