Ishaan94
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 Ishaan
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Questions Answered

Ishaan94:
Assume an \(8\times 8\) chessboard with usual colouring. You may repaint all the squares of a row or column. The goal is to attain one black…
 updated 10 months ago
 20 replies
 3 Medals
Mathematics

AmTran_Bus:
(i)^13?
 updated 10 months ago
 31 replies
 3 Medals
Mathematics

shindearjun:
plz help me
what is root test?
…
 updated one year ago
 5 replies
 1 Medal
Mathematics

Ishaan94:
Show that the sum\[\sum_{k=1}^n k! \neq m^2\]for any integer m, for \(n\geq4\).
 updated one year ago
 3 replies
 No Medals Yet
Mathematics

awy:
Simplify completely the trigonometric expression.
(1sinx/cosx) + (cosx/1sinx)
 updated one year ago
 4 replies
 2 Medals
Mathematics

mathslover:
What is exactly golden ratio?
 updated one year ago
 40 replies
 4 Medals
Mathematics

Ishaan94:
Find all the integral solutions of the equation \(8y + 11x + 17 =xy\).
 updated one year ago
 14 replies
 2 Medals
Mathematics

lgbasallote:
Nine people are going on a skiing trip in 3 cars that will hold 2, 4 and 5 passengers, respectively. In how many ways is it possible to tran…
 updated one year ago
 17 replies
 1 Medal
Mathematics

lgbasallote:
How many ways can 3 oaks, 4 pines, 2 maples be arranged along a property line if one does not distinguish between trees of the same kind?
 updated one year ago
 6 replies
 2 Medals
Mathematics

kevo:
How many ways are there to rearrange the letters in the word "MISSISSIPPI" so that the resulting word contains four consecutive letters S?
…
 updated one year ago
 14 replies
 5 Medals
Mathematics

Ishaan94:
First answer (by Anders) on http://www.quora.com/Mathematics/HowwouldIshowthat49divides8n7n1forallnge0
Can anyone explain i…
 updated one year ago
 29 replies
 2 Medals
Mathematics

experimentX:
is Wolf crazy?
http://www.wolframalpha.com/input/?i=differentiate+abs%28x%29%2Fx+at+x%3D0
 updated one year ago
 6 replies
 1 Medal
Mathematics

annas:
Why use a clock rate of 64000 for serial interfaces?
…
 updated one year ago
 12 replies
 3 Medals
Mathematics

ParthKohli:
Denesting radicals. How to denest \(\sqrt{2 + \sqrt{2}}\)
 updated one year ago
 30 replies
 3 Medals
Mathematics

sauravshakya:
LGBARIDDLE:
A frog flew by drinking REDBULL. Then, how did a snake fly?
 updated one year ago
 23 replies
 10 Medals
Mathematics

ParthKohli:
Are standard basis vectors constant?
 updated one year ago
 75 replies
 4 Medals
Mathematics

Omniscience:
If a random selection is made from 1,2,3,4,5,6 where the digits cannot be repeated, find the probability that the number selected is greater…
 updated one year ago
 29 replies
 2 Medals
Mathematics

Iventer:
can i say that the integral of tanx secxtanx = (lncosx secx)
 updated one year ago
 4 replies
 1 Medal
Mathematics

Yahoo!:
Find the Period of \[2 cos^3 x + 5cos4x\]
…
 updated one year ago
 14 replies
 2 Medals
Mathematics

blackrose636:
find lim [sin^2()/()(1+cos())]
()>0
 updated one year ago
 7 replies
 2 Medals
Mathematics

Yahoo!:
Find the period of \[f(x)) = 4 sin^2x + 7 cos^2 x\]
…
 updated one year ago
 8 replies
 No Medals Yet
Mathematics

Yahoo!:
if z>= 3 the least value of z + 1/z is?
 updated one year ago
 45 replies
 1 Medal
Mathematics

Ishaan94:
Problem.
 updated one year ago
 6 replies
 No Medals Yet
Mathematics

ParthKohli:
How may I use Wolfram Mathematica to make a formula for ANY given sequence?
 updated one year ago
 14 replies
 1 Medal
Mathematics

Ishaan94:
Total number of integral points lying inside the triangle formed by the lines \(xy=0\) and \(x+y=a\), where \(a\) is any positive integer.
 updated one year ago
 7 replies
 1 Medal
Mathematics

Yahoo!:
Number of ways the word 'SUCCESS' can be arranged, such that no two S's and C's are together.
 updated one year ago
 23 replies
 No Medals Yet
Mathematics

shubhamsrg:
If 8 points in a plane are chosen to lie on or inside a circle of diameter 2cm then show
that the distance between some two points will be …
 updated one year ago
 14 replies
 3 Medals
Mathematics

HavinFaith:
Find the slope, if it exists, of the line containing the pair of points.
(9,0) and ( 0,5).
 updated one year ago
 9 replies
 2 Medals
Mathematics

Ishaan94:
Find \(x\).\[\left(2\cdot 7\right)^n+\left(3\cdot 5\right)^n5 \equiv 0 \pmod{x},\quad n\in\mathbb{Z}\]
 updated one year ago
 16 replies
 1 Medal
Mathematics

Compassionate:
School is starting back. Does anyone need tutorials before it starts back?
I will be taking request and responding to all tutorials requ…
 updated one year ago
 15 replies
 1 Medal
Mathematics
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