Menu Close

Category: Algebra

determinant-determinant-2-424-44244-4442444-n-terms-

Question Number 175548 by Rasheed.Sindhi last updated on 02/Sep/22 $$\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\: \\ $$$$\begin{array}{|c|}{\overset{\underset{−} {\overline {\mid\bullet\mid}}} {\:\begin{array}{|c|}{\underset{} {\overset{} {\mathrm{2}+\mathrm{424}+\mathrm{44244}+\mathrm{4442444}+\centerdot\centerdot\centerdot{n}\:{terms}=?_{} ^{} }}}\\\hline\end{array}_{} ^{} }}\\\hline\end{array} \\ $$$$\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\: \\ $$…

N-64990691606209-is-a-semi-prime-number-That-is-N-pq-where-p-and-q-are-prime-numbers-Find-p-and-q-

Question Number 175505 by EnterUsername last updated on 31/Aug/22 $${N}=\mathrm{64990691606209}\:\mathrm{is}\:\mathrm{a}\:\mathrm{semi}-\mathrm{prime}\:\mathrm{number}. \\ $$$$\mathrm{That}\:\mathrm{is},\:{N}={pq}\:\mathrm{where}\:{p}\:\mathrm{and}\:{q}\:\mathrm{are}\:\mathrm{prime}\:\mathrm{numbers}. \\ $$$$\mathrm{Find}\:{p}\:\mathrm{and}\:{q}: \\ $$ Commented by Ar Brandon last updated on 31/Aug/22 #include <stdio.h> int main(void) { long long i = 2, N = 64990691606209; for (; (N % i) != 0; i++); printf("p = %lld, q = %lld", i, N/i); return 0; }…

Question-175470

Question Number 175470 by mnjuly1970 last updated on 31/Aug/22 Answered by mahdipoor last updated on 31/Aug/22 $${get}\:\:\:\frac{{n}}{\mathrm{2}}\leqslant{x}<\frac{{n}+\mathrm{1}}{\mathrm{2}}\:\:\:\:{n}\in{Z} \\ $$$$\Rightarrow{n}\leqslant{y}={x}+\frac{{n}}{\mathrm{2}}<{n}+\frac{\mathrm{1}}{\mathrm{2}} \\ $$$$\Rightarrow\left[{y}\right]={n}= \\ $$$$\Rightarrow{y}−\frac{\mathrm{1}}{\mathrm{2}}\left[{y}\right]=\left({x}+\frac{{n}}{\mathrm{2}}\right)−\left(\frac{{n}}{\mathrm{2}}\right)={x} \\ $$$$\Rightarrow\Rightarrow{f}^{\:−\mathrm{1}}…