Question Number 38957 by Rio Mike last updated on 01/Jul/18 $${solve}\:{for}\:{x}\: \\ $$$${e}^{\mathrm{2}{x}} \:+\:\mathrm{2}{e}^{{x}} \:+\:\mathrm{1}\:=\:\mathrm{0} \\ $$ Commented by math khazana by abdo last updated…
Question Number 104471 by Dwaipayan Shikari last updated on 21/Jul/20 $$\underset{{n}=\mathrm{1}} {\overset{\infty} {\sum}}\frac{{e}^{{n}} {n}!}{{n}^{{n}} } \\ $$ Answered by MAB last updated on 21/Jul/20 $${let}\:{U}_{{n}}…
Question Number 38910 by Rio Mike last updated on 01/Jul/18 $${Given}\:{a}\:{polynomial}\:{f}\left({x}\right)\:{where} \\ $$$${f}\left({x}\right)\:=\:{x}^{\mathrm{3}} \:+\:{ax}\:^{\mathrm{2}} \:+\:\mathrm{3}{x}\:+\:{b} \\ $$$${and}\:\left(\:{x}−\:\mathrm{1}\right)\:{is}\:{a}\:{factor}\:{of}\:{f}\left({x}\right) \\ $$$${and}\:{f}\:'\left({x}\right)=\:\:\mathrm{12}\:{at}\:{point}\:\left(\:\mathrm{2},\mathrm{4}\right) \\ $$$${find}\:{the}\:{values}\:{of}\:{a}\:{and}\:{b} \\ $$$${hence}\:{factorise}\:{f}\left({x}\right)\:{completely} \\ $$$$…
Question Number 38880 by Rio Mike last updated on 30/Jun/18 $${Find}\:{the}\:{equation}\:{of}\:{the}\:{perpendicular} \\ $$$${bisector}\:{of}\:{the}\:{line}\:{segment}\:{joining} \\ $$$${the}\:{points}\:\left(\mathrm{1},\mathrm{3}\right)\:{and}\:\left(\mathrm{5},\mathrm{1}\right) \\ $$ Answered by MrW3 last updated on 30/Jun/18 $${eqn}\:{of}\:{line}\:{joining}\:\left(\mathrm{1},\mathrm{3}\right)\:{and}\:\left(\mathrm{5},\mathrm{1}\right):…
Question Number 38881 by Rio Mike last updated on 30/Jun/18 $${solve}\:{for}\:\mathrm{0}\:\leqslant\:\theta\:\leqslant\pi,\:{the}\:{equations} \\ $$$$\left.{a}\right)_{} \:\mathrm{cos}\:\left(\mathrm{2}\theta\:−\:\frac{\pi}{\mathrm{2}}\right)=\:\frac{\mathrm{1}}{\mathrm{2}} \\ $$$$\left.{b}\right)\:\mathrm{cos}\:\theta\:−\:\sqrt{\mathrm{3}}\:{sin}\:\theta\:=\:\mathrm{0} \\ $$ Answered by MrW3 last updated on 30/Jun/18…
Question Number 38879 by Rio Mike last updated on 30/Jun/18 $${Find}\:{the}\:{equation}\:{of}\:{the}\:{line}\:{through} \\ $$$$\left(\mathrm{2},−\mathrm{3}\right)\:{which}\:{make}\:{angles}\:\mathrm{45}°\:{with} \\ $$$${the}\:{line}\:\mathrm{2}{x}\:−\:{y}\:=\:\mathrm{2}. \\ $$ Answered by MrW3 last updated on 30/Jun/18 $${line}\:\mathrm{2}{x}−{y}=\mathrm{2}:…
Question Number 38878 by Rio Mike last updated on 30/Jun/18 $$\mathrm{Find}\:\mathrm{the}\:\mathrm{equation}\:\mathrm{on}\:\mathrm{a}\:\mathrm{line}\:\mathrm{joining} \\ $$$$\mathrm{the}\:\mathrm{points}\:\mathrm{A}\left(\mathrm{2}{x},\mathrm{4}\right),{B}\left({x},\mathrm{3}\right)\:{and}\: \\ $$$${C}\left(\mathrm{4},\mathrm{3}\right) \\ $$ Answered by $@ty@m last updated on 01/Jul/18 $${Eqn}.\:{of}\:{line}\:{passing}\:{through}…
Question Number 38870 by tanmay.chaudhury50@gmail.com last updated on 30/Jun/18 $${i}\:{am}\:{posting}\:{what}\:{i}\:{think}\:{helpful}… \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 104406 by Don08q last updated on 21/Jul/20 $$\:\:\:\:\mathrm{Evaluate} \\ $$$$\:\:\:\:\:\frac{\mathrm{1}}{\mathrm{2}}\:+\:\frac{\mathrm{3}}{\mathrm{8}}\:+\:\frac{\mathrm{3}}{\mathrm{16}}\:+\:\frac{\mathrm{5}}{\mathrm{64}}\:+\:….. \\ $$ Commented by Don08q last updated on 21/Jul/20 $$\:\frac{\mathrm{1}×\mathrm{2}}{\mathrm{4}^{\mathrm{1}} }\:+\:\frac{\mathrm{2}×\mathrm{3}}{\mathrm{4}^{\mathrm{2}} }\:+\:\frac{\mathrm{3}×\mathrm{4}}{\mathrm{4}^{\mathrm{3}} }\:+\:\frac{\mathrm{4}×\mathrm{5}}{\mathrm{4}^{\mathrm{4}}…
Question Number 38865 by tanmay.chaudhury50@gmail.com last updated on 30/Jun/18 Terms of Service Privacy Policy Contact: info@tinkutara.com