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Question Number 118308 by otchereabdullai@gmail.com last updated on 16/Oct/20 Commented by otchereabdullai@gmail.com last updated on 16/Oct/20 $$\mathrm{please}\:\mathrm{help}\: \\ $$ Answered by 1549442205PVT last updated on…
Question Number 183827 by SANOGO last updated on 30/Dec/22 $${calcul}:\:\:{S}=\underset{{n}=\mathrm{2}\:\:} {\overset{+{oo}} {\sum}}\frac{{n}}{\left({n}^{\mathrm{2}} −\mathrm{1}\right)^{\mathrm{2}} } \\ $$ Answered by Ar Brandon last updated on 30/Dec/22 $${S}=\underset{{n}=\mathrm{2}}…
Question Number 52741 by Otchere Abdullai last updated on 12/Jan/19 $$\: \\ $$$${please}\:{help}\:{me}\:{solve}\:{this}\:{question}\:{sir}. \\ $$$$\mathrm{I}{n}\:{a}\:{survey}\:{of}\:\:\mathrm{100}\:{out}-{patients}\:{who}\: \\ $$$${reported}\:{at}\:{the}\:{hospital}\:{one}\:{day},\:{It}\: \\ $$$${was}\:{found}\:{out}\:{that}\:\mathrm{70}\:{coplained}\:{of}\: \\ $$$${fever},\:\mathrm{50}\:{complained}\:{of}\:{stomach}\: \\ $$$${ache}\:{and}\:\mathrm{30}\:{were}\:\:{injured}.\:{All}\:\: \\ $$$${patients}\:{had}\:{at}\:{least}\:{one}\:{of}\:{the}\:…
Question Number 118265 by Cristina last updated on 16/Oct/20 $$\mathrm{Biochimica} \\ $$$$\mathrm{Isomeri}\:\mathrm{di}\:\mathrm{posizione}\:\mathrm{del}\:\mathrm{C}_{\mathrm{7}} \mathrm{H}_{\mathrm{16}} \\ $$$$\mathrm{CH}_{\mathrm{3}} \mathrm{CH}_{\mathrm{2}} \mathrm{CH}_{\mathrm{2}} \mathrm{CH}_{\mathrm{2}} \mathrm{CH}_{\mathrm{2}} \mathrm{CH}_{\mathrm{2}} \mathrm{CH}_{\mathrm{3}} \\ $$$$\mathrm{CH}_{\mathrm{3}} \mathrm{CH}_{\mathrm{2}} \mathrm{CH}\left(\mathrm{CH}_{\mathrm{3}}…
Question Number 52728 by hassentimol last updated on 12/Jan/19 $${How}\:{can}\:{you}\:{proove}\:{what}\:{follows}\:? \\ $$$$ \\ $$$$\mathrm{If}\:\left(\mathrm{4}{n}+\mathrm{1}\right)\:\mathrm{is}\:\mathrm{prime},\:\mathrm{then}\:: \\ $$$$\:\:\:\mathrm{4}{n}\:+\:\mathrm{1}\:=\:{a}^{\mathrm{2}} \:+\:{b}^{\mathrm{2}} \:\:\:\:\mathrm{with}\:{a},\:{b}\:\in\:\mathbb{N} \\ $$$$ \\ $$$${Thank}\:{you} \\ $$ Terms…
Question Number 118259 by Cristina last updated on 16/Oct/20 $$\mathrm{Svolgimento}\:\mathrm{prova}\:\mathrm{analoga}\:\mathrm{alla}\:\mathrm{verifica}\:\mathrm{1C} \\ $$$$\left.\mathrm{1}\right)\:\mathrm{Scrivere}\:\mathrm{l}'\mathrm{insieme}\:\mathrm{mediante}\:\mathrm{elencazione} \\ $$$$\mathrm{A}=\left\{\mathrm{x}=\mathrm{8n}+\mathrm{5},\mathrm{n}\in\mathbb{N}\wedge\mathrm{0}<\mathrm{n}\leqslant\mathrm{3}\right\} \\ $$$$\mathrm{Soluzione} \\ $$$$\mathrm{A}=\left\{\mathrm{13};\mathrm{21};\mathrm{29}\right\} \\ $$$$\mathrm{A}=\left\{\mathrm{0};\mathrm{3};\mathrm{6};\mathrm{9};\mathrm{12}\right\}\:\:\:\:\:\:\mathrm{B}=\left\{\mathrm{0};\mathrm{4};\mathrm{8};\mathrm{12}\right\} \\ $$$$\mathrm{Scrivere}\:\mathrm{A}\cap\mathrm{B}\:\:\:\:\:\:\:\mathrm{A}\cup\mathrm{B} \\ $$$$\mathrm{Soluzione} \\…
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Question Number 118242 by mathdave last updated on 16/Oct/20 $${solve} \\ $$$$\int_{\mathrm{0}} ^{\pi} \frac{{x}\mathrm{cos}{x}}{\left(\mathrm{1}+\mathrm{sin}^{\mathrm{2}} {x}\right)}{dx} \\ $$ Answered by TANMAY PANACEA last updated on 16/Oct/20…