Questions Asked

ganeshie8:
Group Title
Prove/Disprove
\(\large 2^{p − 1} \equiv 1 \mod p^2\) has no solutions…
 updated 3 days ago
 50 replies
 4 Medals

ganeshie8:
Group Title
unit's digit of
\(\large 3^{3^{3^{3^{3^{3^{3}}}}}} \)
 updated 5 days ago
 105 replies
 4 Medals

ganeshie8:
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draw a quadrilateral with two opposite right angles @ikram002p
 updated 9 days ago
 40 replies
 9 Medals

ganeshie8:
Group Title
hard geometry problem, hurry! one medal will be given for a solution+good explanation :)
\(\large a,b,c,d\) are sides of a quadrilateral wit…
 updated 11 days ago
 133 replies
 8 Medals

ganeshie8:
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@albhee14
 updated 13 days ago
 22 replies
 6 Medals

ganeshie8:
Group Title
show that the exponent of a prime \(\large p\) in the prime factorization of \(\large n!\) is
\[\Large \sum \limits_{i=1}^c \left\lfloor…
 updated 13 days ago
 68 replies
 7 Medals

ganeshie8:
Group Title
easy proof
**using congruences** show that \(\large 2^{4x} \equiv 6 \mod 10 \)
 updated 16 days ago
 46 replies
 4 Medals

ganeshie8:
Group Title
[Solved by @dg2 ] find the last digit of this sum
\(\LARGE \sum \limits_{n=1}^{100} n^n \)
 updated 16 days ago
 92 replies
 5 Medals

ganeshie8:
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@rachel1217
 updated 18 days ago
 56 replies
 5 Medals

ganeshie8:
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[LA] help understading a best solution problem
…
 updated 21 days ago
 55 replies
 8 Medals

ganeshie8:
Group Title
find \(A^5\) and \(A^{T}\)
\(A = B\left(B^{T}B\right)^{1}B^{T}\)…
 updated 22 days ago
 46 replies
 8 Medals

ganeshie8:
Group Title
easy yet interesting geometry problem
 updated 25 days ago
 105 replies
 8 Medals

ganeshie8:
Group Title
the expression ax^38x^2+bx+6 is divisible by x^22x3.Find the values of a and b.
@eric_d
 updated 26 days ago
 38 replies
 8 Medals

ganeshie8:
Group Title
quick question :
if we are given f(f(x)) = f(x), f:X>X
is it okay to conclude f(x) = x ?
 updated 26 days ago
 40 replies
 2 Medals

ganeshie8:
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find A
 updated 28 days ago
 172 replies
 10 Medals

ganeshie8:
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Mary wants to grow rose plants in her backyard. So she goes to the local nursery and spends a total of $4000 for 100 rose plants of 3 differ…
 updated one month ago
 50 replies
 6 Medals

ganeshie8:
Group Title
A) How many ordered sets of nonnegative integers \((x, y)\) are there such that
\(x+y \le 20\)…
 updated one month ago
 10 replies
 4 Medals

ganeshie8:
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.
 updated one month ago
 1 reply
 No Medals Yet

ganeshie8:
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@ikram002p
 updated one month ago
 67 replies
 4 Medals

ganeshie8:
Group Title
\(d = ax + by\)
\(d\) is the smallest whole number; does this mean \(d = \gcd(a, b) = \gcd(x, y)\) ?
 updated one month ago
 41 replies
 4 Medals

ganeshie8:
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Solve in integers :
\(\large \dfrac{1}{x} + \dfrac{1}{y} = \dfrac{1}{12}\)
 updated 2 months ago
 75 replies
 9 Medals

ganeshie8:
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@No.name
 updated 2 months ago
 7 replies
 3 Medals

ganeshie8:
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Any cool tricks to find this sum
\(\sum \limits_{n=1}^{\infty} \frac{n^2}{10^n} \)
 updated 2 months ago
 59 replies
 8 Medals

ganeshie8:
Group Title
Prove or disprove that \(n^4 + 4^n\) is divisible by 5 when \(n\) is odd,
and \(n > 5\)
 updated 3 months ago
 20 replies
 2 Medals

ganeshie8:
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@rawr7548
 updated 3 months ago
 55 replies
 4 Medals

ganeshie8:
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@shinebrightlikeadimon
 updated 4 months ago
 5 replies
 3 Medals

ganeshie8:
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.
 updated 4 months ago
 23 replies
 2 Medals

ganeshie8:
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@ikram002p
 updated 5 months ago
 14 replies
 1 Medal

ganeshie8:
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just found a very irritating bug
 updated 6 months ago
 16 replies
 2 Medals

ganeshie8:
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limit question
 updated 5 months ago
 32 replies
 2 Medals
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