Mathematics
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Tatai
  • Member for 2 years, 7 months
  • Last seen more than a month ago
  • Somewhere on earth
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Score Newest
question
6
Find number of arrangements of a cube if sum of numbers on each face must be same
Sep 24, 2021
question
4
What is the probability that the sum of six rolls of a fair die is divisible by $7$?
Sep 28, 2021
question
4
For an acute angled triangle $ABC,$ if $p=\frac{\sqrt3+\sin A+\sin B+\sin C}{2\sin A\sin B\sin C}$, find the range of $p$
Aug 31, 2021
question
4
$f:[1,4]\rightarrow[7,14]$ is a concave surjective function then prove that $(f'(x))^2=49/9$ has at least one and at most two roots in $[1,4]$
Sep 14, 2021
question
3
P(x) of degree at most 5 leaves remainders -1 and 1 on division by $(x-1)^3$ and $(x+1)^3$ respectively, then the number real roots of P(x)=0 are?
Jul 24, 2021
question
3
$f(x)=\lim\limits_{t\rightarrow0}\frac{\sin(\sin(k\pi/e^{1/t})e^{1/t}[x^2-x+\pi])}{\ln (k+[x]^2)}$ where k is an integer and $x\in \mathbb R$?
Sep 25, 2021
question
3
Two equal parabolas with foci at S and S' touch each other at point P, such that PS'=PS. If the parabola with focus S is fixed, find the locus of S'
Sep 19, 2021
question
3
If $y=f(x)$ is a concave upward function and $y=g(x)$ is a function such that $f'(x)g(x)-g'(x)f(x)=x^4+2x^2+10$ then prove that...
Sep 14, 2021
question
3
Let $f(x)=\left\{\begin{array}{l}x^3-1, x<2\\x^2+3,x\geq2\\\end{array}\right.$. Find $f^{-1}(x)$
Sep 11, 2021
question
2
What does $\bigwedge\bigwedge\bigvee$ mean in discrete mathematics?
Nov 8, 2021
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6
Why are there only 14 types of Bravais lattices and not 28 when there are 7 types of unit cells and each can have four variations?
5
What determines the kind of Bravais lattice structure (body-centred cubic, hexagonal, etc) a transition metal shows?
5
On what basis are the prefixes α and β given to black phosphorus?
5
How can we find the normalised wave function for this particle?

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