8 нояб. 2007 г. — The discussion centers around a numerical curiosity involving the numbers 0, 1, 8, 11, 69, 88, 96, and 101, which all appear the same when ...
4 апр. 2011 г. — The pi-factor is there to insure symmetry between the Fourier transform and its inverse. Without it, the inverse would need a factor of 1 / 2pi to ...
9 окт. 2023 г. — I am currently studying Newton's laws and mechanics. I have this question: Why is distance=half a*t^ 2 ? Where did the 1 / 2 come from?
4 апр. 2011 г. — The discussion centers on the necessity of the factor 1/√( 2π ) in the definition of the Fourier transform. This factor ensures symmetry between ...
We know, by assumption that 3 ^ 2 n - 1 is an integer multiple of 8 , now, we need to take 3 ^ 2 ( n + 1 ) - 1 and some how write it in terms of 3 ^ 2 n - 1 and some other terms, so do it - this is the only thing in induction as I've told you before...
Then the response is interrupted at ## t = 50 ms## by the switch being opened and I'm asked to derive a new equation for ## v _ C ( t )## for ## t > 50 ms##.
8
/threads/proving-5-n-4n-15-divisible-by-16.84406/
P(k+1)= 5 ^(k+1) - 4 (k+1)+ 15 I don't know how to prove it is divisible by 16? Normally with these the P(k+1) usually equals a sum of 2 numbers that collecting like terms,etc. comes to the same style as the original equation except with k+1 where n is.
I want to show that p ^ 2 - q ^ 2 will always have a prime factor of either two or three, hence it will be divisible by 24. If p and q are both odd, p ^ 2 - q ^ 2 will always be even, hence have a two in it's prime factorization.
9
/threads/proving-5-n-4n-15-divisible-by-16.84406/
The discussion focuses on proving by mathematical induction that the expression 5 ^ n - 4 n + 15 is divisible by 16 for all natural numbers n . The base case for n = 1 is verified as true.
I've managed to prove that it's divisible by 2 for all even and odd integers by using n = 2 k and n = 2 k+ 1 respectively. That still leaves proving it is divisible by 3 for even and odds though, which is where I get stuck doing that method.
13
/threads/what-is-the-proof-for-1-4-9-16-0.875505/
The discussion centers on the challenge of proving that the sum of the squares of natural numbers, 1 + 4 + 9 + 16 ..., equals 0. Participants highlight that traditional operations on divergent series can lead to nonsensical results...
This is where I am stuck. If I use the fact that 1 / x < 10 , I end up with -epsilon< 10 - 10
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