Category: Relation and Functions

Question Number 24612 by rish@bh last updated on 22/Nov/17 $$\mathrm{If}f\left(x\right)=\left[x\right]thenisfof\left(x\right)=f\left(x\right)?$$$$$$ Answered by jota last updated on 22/Nov/17 $$Yes.\left[x\right]>=0\Rightarrow \left[\left[x\right]\right]=\left[x\right]$$ Commented…

Question Number 24352 by tawa tawa last updated on 16/Nov/17 $$\mathrm{for}\mathrm{what}\mathrm{value}\mathrm{of}\mathrm{y}\mathrm{will}\frac{{\mathrm{x}}^2+4}{6\mathrm{x}-8}\mathrm{lies}\mathrm{between}\mathrm{a}\mathrm{positive}\mathrm{integer}.$$ Commented by math solver last updated on 16/Nov/17 $$\mathrm{might}\:\mathrm{be}\:\mathrm{it}\:\mathrm{is}\:\mathrm{y}=\:\mathrm{x}^{\mathrm{2}} +\mathrm{4}/\mathrm{6x}−\mathrm{8}\:……. \…

Question Number 89768 by john santu last updated on 19/Apr/20 $$t\left(n\right)-t(n-1)=n$$$$forn>0andt\left(0\right)=1$$$$findt\left(n\right)$$ Answered by john santu last updated on 19/Apr/20…

Question Number 89718 by abdomathmax last updated on 18/Apr/20 $$letf\left(x\right)=\sqrt{2x+1}-\sqrt{2x-1}$$$$find{f}^{\left(n\right)}byrecurence$$ Terms of Service Privacy Policy Contact: info@tinkutara.com

Question Number 89717 by abdomathmax last updated on 18/Apr/20 $$letf\left(x\right)=2x-\sqrt{x-1}$$$$find\int \frac{f^{-1}\left(x\right)}{f\left(x\right)}dx$$ Answered by MJS last updated on 19/Apr/20 $$y=2x-\sqrt{x-1}$$$$\mathrm{defined}\:\mathrm{for}\:{x}\geqslant\mathrm{1}…