Category: Algebra

Question Number 125990 by shaker last updated on 16/Dec/20 Terms of Service Privacy Policy Contact: info@tinkutara.com

Question Number 191527 by MATHEMATICSAM last updated on 25/Apr/23 $$x+y=1\mathrm{and}{x}^2+y^2=2.\mathrm{Find}\mathrm{the}\mathrm{value}$$$$\mathrm{of}{x}^{11}+y^{11}.$$ Answered by Rasheed.Sindhi last updated on 25/Apr/23…

Question Number 191512 by mnjuly1970 last updated on 25/Apr/23 $$$$$$Q:theequation$$$$$$$$\lfloor \cos \left(4x\right)\rfloor =m.\cos \left(2x\right)$$$$hasnosolution.x\in (0,\frac{\pi }{2})$$$$findtheacceptable$$$$realvaluesfor{}^{″}{m}^{″}.$$ Answered…

Question Number 125960 by AST last updated on 26/Sep/22 $$$$ Answered by mahdipoor last updated on 16/Dec/20 $$$$\{\begin{array}{l}{a}^2+b^2=\mid a{\mid }^2+\mid b{\mid }^2\\ 2ab⩽2\mid a\mid .\mid b\mid \end{array}$$ \…

Question Number 60416 by Tawa1 last updated on 20/May/19 $$\mathrm{Sum}\:\mathrm{the}\:\mathrm{series}:\:\:\:\overset{\mathrm{n}} {\:}\mathrm{C}_{\mathrm{0}} \overset{\mathrm{n}} {\:}\mathrm{C}_{\mathrm{1}} \:+\:\overset{\mathrm{n}} {\:}\mathrm{C}_{\mathrm{1}} \overset{\mathrm{n}} {\:}\mathrm{C}_{\mathrm{2}} \:+\:\overset{\mathrm{n}} {\:}\mathrm{C}_{\mathrm{2}} \overset{\mathrm{n}} {\:}\mathrm{C}_{\mathrm{3}} \:+\:…\:+\:\overset{\mathrm{n}} {\:}\mathrm{C}_{\mathrm{r}} \overset{\mathrm{n}} {\:}\mathrm{C}_{\mathrm{r}\:+\:\mathrm{1}}…