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Young
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question
6
How to define variables $a$,$b$,$c$,$d$ are all elements of set $\{2,3,5,7\}$?
Aug 1, 2022
question
2
Number of solutions in natural numbers $a+b+c+d=13$
Oct 11, 2022
question
2
We would like to define $k$ in advance as an even number
Dec 3
question
1
How to define a recursive sequence
Jan 27, 2019
question
1
Finding a sequence with RecurrenceTable
Jan 27, 2019
question
1
How to force Mathematica to output an expression such as Input {2,3,4}-> Output 2*3*4=24
Mar 18, 2020
question
1
we want to get all possible values with $a_1$
Dec 28, 2022
question
0
How to solve this RecurrenceTable in Mathematica
Jan 4, 2022
question
0
Define and do the following function using Mathematica 12. How can I do this?
Aug 10, 2022
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0
How can we define that the five integers $a$, $b$, $c$, $d$, $e$ are all natural numbers that are different from 1 to 10
Nov 7, 2022
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12
How to prove that $\frac{d^n}{dx^n}(x^2-1)^n=0$ has $n$ real roots?
7
Seeking a combinatorial proof of the identity $1+2\cdot 2^1+3\cdot 2^2+\cdots+n\cdot 2^{n-1}=(n-1)2^n+1$
7
It seems to overlap with other content.
6
How many ways to choose $a<b<c<d<e$ from the set $\{1,2,3,\dotsc,100\}$ such that $100<a+b+c+d+e<145$?
5
show that $a^3+4a=b^2$ then exist $M\in\mathbb{N}$ s.t $a=2M^2$