Category: Permutation and Combination

Question Number 199054 by cortano12 last updated on 27/Oct/23 $$\mathit{x}$$ Answered by AST last updated on 27/Oct/23 $$\left(\mathrm{1}+{x}\right)\left(\mathrm{2}+{x}^{\mathrm{2}} \right)\left(\mathrm{3}+{x}^{\mathrm{3}} \right)\left(\mathrm{4}+{x}^{\mathrm{4}} \right)\left(\mathrm{5}+{x}^{\mathrm{5}} \right)\left(\mathrm{6}+{x}^{\mathrm{6}} \right)…

Question Number 198809 by dimentri last updated on 24/Oct/23 $$sumofroots$$$$\log {}_{3}x+\log {}_3(2,5)+\log {}_{x}9=3+\log {}_{x}5$$ Answered by a.lgnaoui last updated on 24/Oct/23…

Question Number 198548 by HomeAlone last updated on 21/Oct/23 $$return\mathrm{return}\left(\right)$$$$\mathrm{p}<1$$$$\mathrm{p}$$$$2$$$$3$$$$4$$$$5$$$$\mathrm{6} \…

Question Number 198242 by Tawa11 last updated on 15/Oct/23 How many numbers with a maximum of 5 digits, greater than 4000, can be formed with…

Question Number 198022 by cortano12 last updated on 08/Oct/23 $$\mathrm{Five}\mathrm{letters}\mathrm{are}\mathrm{selected}\mathrm{from}$$ Answered by mr W last updated on 08/Oct/23 $$OOOXX\Rightarrow 2$$$${OOOXY}\:\:\Rightarrow\mathrm{2}×{C}_{\mathrm{2}} ^{\mathrm{4}} =\mathrm{12}…