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Category: Arithmetic

A-function-f-is-defined-by-f-x-3-2sin-x-for-0-x-360-find-the-range-of-f-

Question Number 23686 by tawa tawa last updated on 03/Nov/17 $$\mathrm{A}\:\mathrm{function}\:\:\mathrm{f}\:\:\mathrm{is}\:\mathrm{defined}\:\mathrm{by}\:\:\mathrm{f}\::\:\mathrm{x}\:\rightarrow\:\mathrm{3}\:−\:\mathrm{2sin}\left(\mathrm{x}\right),\:\:\mathrm{for}\:\:\mathrm{0}\:\leqslant\:\mathrm{x}\:\leqslant\:\mathrm{360}° \\ $$$$\mathrm{find}\:\mathrm{the}\:\mathrm{range}\:\mathrm{of}\:\:\mathrm{f} \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com

just-a-silly-question-write-a-correct-maths-equation-using-only-symbols-below-Each-must-be-used-and-only-once-2-3-4-5-

Question Number 23426 by ajfour last updated on 30/Oct/17 $${just}\:{a}\:{silly}\:{question}: \\ $$$${write}\:{a}\:{correct}\:{maths}\:{equation} \\ $$$${using}\:{only}\:{symbols}\:{below}.\:{Each} \\ $$$${must}\:{be}\:{used}\:{and}\:{only}\:{once}. \\ $$$$\:\:\:\:\:\mathrm{2},\:\mathrm{3},\:\mathrm{4},\:\mathrm{5},\:=,\:+ \\ $$ Answered by Joel577 last updated…

S-90-2-91-2-100-2-

Question Number 154456 by puissant last updated on 18/Sep/21 $${S}=\mathrm{90}^{\mathrm{2}} +\mathrm{91}^{\mathrm{2}} +…..+\mathrm{100}^{\mathrm{2}} \:\:=\:\:?? \\ $$ Commented by Rasheed.Sindhi last updated on 18/Sep/21 $${S}=\left(\mathrm{1}^{\mathrm{2}} +\mathrm{2}^{\mathrm{2}} +…+\mathrm{100}^{\mathrm{2}}…

prove-that-k-0-k-2-2-x-k-k-3-e-x-x-3-x-2-x-1-x-2-2-2x-3-

Question Number 88723 by M±th+et£s last updated on 12/Apr/20 $${prove}\:{that} \\ $$$$ \\ $$$$\underset{{k}=\mathrm{0}} {\overset{\infty} {\sum}}\frac{\left({k}+\mathrm{2}\right)^{\mathrm{2}} {x}^{{k}} }{\left({k}+\mathrm{3}\right)!}=\frac{{e}^{{x}} }{{x}^{\mathrm{3}} }\left({x}^{\mathrm{2}} −{x}+\mathrm{1}\right)−\frac{{x}^{\mathrm{2}} +\mathrm{2}}{\mathrm{2}{x}^{\mathrm{3}} } \\ $$…