chihiroasleaf
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 simply.., a Muslim who want to learn a lot and helpful for others.. :)
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Questions Asked

chihiroasleaf:
find the value of a+b+c + ...+ z
(question in comment)
 updated 5 months ago
 2 replies
 No Medals Yet
Mathematics

chihiroasleaf:
Let P(r,k) denote the number of partitions of r into exactly k parts.
a. Show that P(r,k) = P(r1, k1) + P(rk,k)…
 updated 11 months ago
 1 reply
 2 Medals
Mathematics

chihiroasleaf:
Given a cube ABCD.EFGH with the length of each edge is 4 cm. What is the distance between lines CE and BG? (the lines are skew each other)
 updated one year ago
 5 replies
 No Medals Yet
Mathematics

chihiroasleaf:
Of 100 people surveyed, 52 were women, 30 eat breakfast, 40 eat lunch, 25 were women who eat breakfast, 15 were women who eat lunch, 20 eat …
 updated one year ago
 13 replies
 2 Medals
Mathematics

chihiroasleaf:
Solving partial differential equation (use characteristic method)
\[\Large \frac{\partial u }{\partial t} + u^2 \frac{\partial u}{\partial …
 updated one year ago
 17 replies
 No Medals Yet
Mathematics

chihiroasleaf:
Can anyone explain to me about solving partial differential equation with characteristic method?
or any reference to study...
…
 updated one year ago
 6 replies
 No Medals Yet
Mathematics

chihiroasleaf:
Given that point \(P \) outside plane \(\alpha\). Plane \(\beta\) is a plane that contained point \(P \) and perpendicular to one of the lin…
 updated one year ago
 No Medals Yet
Mathematics

chihiroasleaf:
Given a cube ABCD.EFGH with an edge length of 6 cm. Determine the distance between point B and plane AFC!
 updated one year ago
 17 replies
 1 Medal
Mathematics

chihiroasleaf:
Finding the value of limit
\[\Large \lim_{x \to 3} \frac{\sqrt{x+4}\sqrt{2x+1}}{\sqrt{3x+1}\sqrt{x+7}}\]
 updated one year ago
 9 replies
 5 Medals
Mathematics

chihiroasleaf:
Let \(\Large p: \mathbb R \to \mathbb R \) be a differentiable function.
Prove that the equation \(\Large u_t = p(u)u_x ; t>0\) has a solut…
 updated one year ago
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Mathematics

chihiroasleaf:
[Partial Differential Equation]
Show that each of the following equations has a solution of the form \( u(x,y)=f(ax+by) \) for a proper ch…
 updated one year ago
 12 replies
 1 Medal
Mathematics

chihiroasleaf:
Partial Differential Equation
Solve the following boundary value problems…
 updated one year ago
 3 replies
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Mathematics

chihiroasleaf:
[Partial Differential Equation]
solve the following boundary value problems…
 updated one year ago
 10 replies
 1 Medal
Mathematics

chihiroasleaf:
Determine the number of sixdigit integers (no leading zeros) in which no digit may be repeated and divisible by 4?
…
 updated one year ago
 4 replies
 3 Medals
Mathematics

chihiroasleaf:
Prove by pigeon hole principle.
Let \[k \in \mathbb{Z}^+\] . Prove that there exists a positive integer n such that kn and the only digits…
 updated one year ago
 4 replies
 No Medals Yet
Mathematics

chihiroasleaf:
Prove that if we select 101 integers from the set S = {1,23, ..., 200}, there exist m, n in the selection where gcd(m,n) = 1
It's about Pig…
 updated one year ago
 12 replies
 1 Medal
Mathematics

chihiroasleaf:
how to import latex symbol in adobe flash?
thank you... :)
 updated one year ago
 1 reply
 1 Medal
Mathematics

chihiroasleaf:
Prove by Induction
"The sum of the cube of any three consecutive integers is divisible by 9"
…
 updated one year ago
 4 replies
 2 Medals
Mathematics

chihiroasleaf:
Find the value of a and b so that \[x ^{4}ax ^{3}\left( 6a+5b \right)x ^{2}+abx+144\] can be divided by \[x ^{2}+6x+8\]!
I've tried to …
 updated one year ago
 19 replies
 4 Medals
Mathematics

chihiroasleaf:
Suppose that a and b are elements of finite order in a group such that ab=ba and \[\langle a \rangle \cap \langle b \rangle =\{e\}\]. Prove …
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

chihiroasleaf:
[Algebraic Structure] order of element in group
 updated one year ago
 20 replies
 No Medals Yet
Mathematics

chihiroasleaf:
Limiting Distribution
Let \[\overline{X}_n \] denote the mean of a random sample of size n from a normal distribution \[N~(\mu,\sigma^2…
 updated one year ago
 No Medals Yet
Mathematics

chihiroasleaf:
Limiting Distribution
Let \[\overline{X}_n \] denote the mean of a random sample of size n from a normal distribution \[N~(\mu,\sigma^2)\…
 updated one year ago
 No Medals Yet
Mathematics

chihiroasleaf:
What is cluster method in math? anyone ever heard it?
 updated one year ago
 No Medals Yet
Mathematics

chihiroasleaf:
28:1,592:1,519(1,5) = ...
I got the result 85/6
…
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

chihiroasleaf:
If x is the perimeter of an right isosceles triangle, and y is the perimeter of a right scalene triangle, then
a. x < y
…
 updated one year ago
 3 replies
 2 Medals
Mathematics

chihiroasleaf:
8 [66] 2
6 [40] 4
7 [54] X
…
 updated one year ago
 8 replies
 2 Medals
Mathematics

chihiroasleaf:
(76 x 76 x 76 + 63 x 63 x 63) / (76 x 76 + 63 x 63  76 x 63)
can we calculate the result without calculate each term ( I mean without fi…
 updated one year ago
 7 replies
 2 Medals
Mathematics

chihiroasleaf:
ask about sequence
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

chihiroasleaf:
question about sequence
 updated one year ago
 No Medals Yet
Mathematics
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