Question Number 7706 by Rohit 57 last updated on 10/Sep/16 $${what}\:{is}\:{spectrum}.\left({chemistry}\:{subject}\right) \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 138764 by otchereabdullai@gmail.com last updated on 17/Apr/21 $$\mathrm{Find}\:\mathrm{the}\:\mathrm{impedence}\:\mathrm{of}\:\mathrm{an}\:\mathrm{RC}\:\mathrm{circuit} \\ $$$$\mathrm{with}\:\mathrm{R}=\:\mathrm{10}\Omega\:\mathrm{and}\:\mathrm{C}=\mathrm{10}\mu\mathrm{F}\:\mathrm{at}\:\mathrm{an}\: \\ $$$$\mathrm{angular}\:\mathrm{frequency}\:\mathrm{of}\:\mathrm{21800rads}^{−\mathrm{1}} \\ $$ Answered by ajfour last updated on 18/Apr/21 $${Z}=\sqrt{{R}^{\mathrm{2}} +\frac{\mathrm{1}}{\left(\omega{C}\right)^{\mathrm{2}}…
Question Number 7668 by 314159 last updated on 08/Sep/16 Commented by Yozzia last updated on 08/Sep/16 $${Suppose}\:{a}+{b}={c},\:{with}\:{a},{b},{c}>\mathrm{0}. \\ $$$${Let}\:{n}=\frac{{a}}{\mathrm{1}+{a}}+\frac{{b}}{\mathrm{1}+{b}}−\frac{{c}}{\mathrm{1}+{c}}. \\ $$$${n}=\frac{{a}}{\mathrm{1}+{a}}+\frac{{b}}{\mathrm{1}+{b}}−\frac{{a}+{b}}{\mathrm{1}+{a}+{b}} \\ $$$${n}=\frac{{a}}{\mathrm{1}+{a}}−\frac{{a}}{\mathrm{1}+{a}+{b}}+\frac{{b}}{\mathrm{1}+{b}}−\frac{{b}}{\mathrm{1}+{a}+{b}} \\ $$$${n}={a}\left(\frac{\mathrm{1}}{\mathrm{1}+{a}}−\frac{\mathrm{1}}{\mathrm{1}+{a}+{b}}\right)+{b}\left(\frac{\mathrm{1}}{\mathrm{1}+{b}}−\frac{\mathrm{1}}{\mathrm{1}+{a}+{b}}\right)…
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Question Number 73191 by Mr. K last updated on 07/Nov/19 $${find}\:{x}\:{and}\:{y}: \\ $$$$\begin{cases}{\mathrm{2}{x}^{{y}} −{x}^{−{y}} =\mathrm{1}}\\{{log}_{\mathrm{2}} {y}=\sqrt{{x}}}\end{cases} \\ $$ Answered by mind is power last updated…
Question Number 138716 by floor(10²Eta[1]) last updated on 17/Apr/21 $$\int_{\mathrm{2}} ^{\infty} \frac{\mathrm{1}}{\mathrm{x}^{\mathrm{2}} \mathrm{lnx}}\mathrm{dx}\: \\ $$$$\mathrm{converges}\:\mathrm{or}\:\mathrm{diverges}? \\ $$ Answered by mathmax by abdo last updated on…
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Question Number 138703 by mathocean1 last updated on 16/Apr/21 $${Calculate} \\ $$$$\underset{−\frac{\pi}{\mathrm{6}}} {\overset{\mathrm{0}} {\int}}\frac{{cos}^{\mathrm{2}} {x}}{\mathrm{1}−\mathrm{2}{sinx}}{dx} \\ $$ Commented by SanyamJoshi last updated on 17/Apr/21 $${Calculate}…
Question Number 7630 by sandy_suhendra last updated on 06/Sep/16 Commented by Chantria Math last updated on 06/Sep/16 $${There}\:{are}\:{some}\:{false}\:{in}\:{this} \\ $$$${problem},\: \\ $$$$ \\ $$$$ \\…
Question Number 7621 by 314159 last updated on 06/Sep/16 $${Prove}\:{that}\: \\ $$$$\pi=\mathrm{4}\underset{{k}=\mathrm{0}} {\overset{\infty} {\sum}}\:\:\frac{\left(−\mathrm{1}\right)^{{k}} }{\mathrm{2}{k}+\mathrm{1}} \\ $$ Answered by prakash jain last updated on 26/Sep/16…