Question Number 110722 by ZiYangLee last updated on 30/Aug/20 Answered by ajfour last updated on 30/Aug/20 $$\left({a}−{b}\right){x}+\left({b}−{a}\right)=\mathrm{0} \\ $$$$\Rightarrow\:\:{x}=\mathrm{1} \\ $$$$\Rightarrow\:\:{a}+{b}=−\mathrm{1}\:. \\ $$ Answered by…
Question Number 45173 by Cheyboy last updated on 10/Oct/18 Commented by Cheyboy last updated on 10/Oct/18 $$\mathrm{Plzz}\:\mathrm{help}\:\mathrm{me}\:\mathrm{with}\:\mathrm{the}\:\mathrm{pattern} \\ $$$$\mathrm{It}\:\mathrm{was}\:\mathrm{giving}\:\mathrm{to}\:\mathrm{me}\:\mathrm{by}\:\mathrm{my}\:\mathrm{little} \\ $$$$\mathrm{bro}\:\mathrm{but}\:\mathrm{i}\:\mathrm{cant}\:\mathrm{figure}\:\mathrm{out}\:\mathrm{d}\:\mathrm{pattern} \\ $$ Commented by…
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Question Number 176215 by MathsFan last updated on 15/Sep/22 $$ \\ $$A certain amount of money is distributed among A, B and C in the…
Question Number 176212 by otchereabdullai@gmail.com last updated on 15/Sep/22 $$\:\:\mathrm{A}\:\mathrm{solid}\:\mathrm{rigth}\:\mathrm{triangular}\:\mathrm{prism}\:\mathrm{of}\: \\ $$$$\:\:\mathrm{length}\:\mathrm{12cm}\:\mathrm{and}\:\mathrm{a}\:\mathrm{cross}\:\mathrm{section}\: \\ $$$$\:\:\mathrm{which}\:\mathrm{is}\:\mathrm{an}\:\mathrm{equilateral}\:\mathrm{triangle}\:\mathrm{of} \\ $$$$\:\:\mathrm{6cm}.\:\mathrm{Find}\:\mathrm{the}\:\mathrm{total}\:\mathrm{surface}\:\mathrm{area}. \\ $$ Commented by adhigenz last updated on 15/Sep/22…
Question Number 176205 by otchereabdullai@gmail.com last updated on 15/Sep/22 $$\:\mathrm{In}\:\mathrm{a}\:\mathrm{school}\:\mathrm{election}\:\mathrm{for}\:\mathrm{the}\:\mathrm{positon}\: \\ $$$$\:\:\mathrm{of}\:\mathrm{SRC}\:\mathrm{president},\:\mathrm{one}\:\mathrm{candidate} \\ $$$$\:\:\mathrm{obtained}\:\mathrm{87}.\mathrm{5\%}\:\mathrm{of}\:\mathrm{the}\:\mathrm{vote}\:\mathrm{cast}\: \\ $$$$\:\:\mathrm{others}\:\mathrm{obtained}\:\mathrm{275}\:\mathrm{votes} \\ $$$$\:\:\left(\mathrm{a}\right)\:\mathrm{How}\:\mathrm{many}\:\mathrm{votes}\:\mathrm{did}\:\mathrm{the}\:\mathrm{winner} \\ $$$$\:\:\:\:\:\:\:\:\:\mathrm{obtain}. \\ $$$$\:\:\:\:\left(\mathrm{b}\right)\:\mathrm{If}\:\mathrm{the}\:\mathrm{voter}\:\mathrm{turnout}\:\mathrm{was}\:\mathrm{55\%}\: \\ $$$$\:\:\:\:\:\:\:\:\mathrm{find}\:\mathrm{the}\:\mathrm{total}\:\mathrm{number}\:\mathrm{of}\:\:\mathrm{eligible} \\…
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Question Number 110647 by Khalmohmmad last updated on 29/Aug/20 $$\left.\:\mathrm{1}\right)\underset{{x}\rightarrow\mathrm{0}} {\mathrm{lim}sin}\left(\frac{\mathrm{1}}{\mathrm{x}}\right)=? \\ $$$$\left.\mathrm{2}\right)\:\underset{{x}\rightarrow\mathrm{0}} {\mathrm{lim}cos}\:\left(\frac{\mathrm{1}}{\mathrm{x}}\right)=? \\ $$$$ \\ $$ Answered by mathmax by abdo last updated…
Question Number 176174 by Matica last updated on 14/Sep/22 $$ \\ $$$$\:\mathrm{a},{b},{c}\:\in\mathbb{R}_{+\:} ^{\ast} \:\:\mathrm{and}\:{abc}=\mathrm{1}.\:\mathrm{Prove} \\ $$$$\:\:\:\frac{{c}\:\sqrt{{a}^{\mathrm{3}} +{b}^{\mathrm{3}} }}{{a}^{\mathrm{2}} +{b}^{\mathrm{2}} }\:+\:\frac{{b}\:\sqrt{{a}^{\mathrm{3}} +{c}^{\mathrm{3}} }}{{a}^{\mathrm{2}} +{c}^{\mathrm{2}} }\:+\:\frac{{a}\sqrt{{b}^{\mathrm{3}} +{c}^{\mathrm{3}}…
Question Number 110619 by mathdave last updated on 29/Aug/20 $${someone}\:{posted}\:{this}\:{problem}\:{and}\:{my} \\ $$$${solution}\:{followed} \\ $$$${solve} \\ $$$$\int_{\mathrm{0}} ^{\mathrm{1}} \frac{\mathrm{ln}\left({x}+\sqrt{\mathrm{1}+{x}^{\mathrm{2}} }\right)}{\:\sqrt{\mathrm{1}+{x}^{\mathrm{2}} }}{dx} \\ $$$${solution} \\ $$$${y}=\mathrm{ln}\left({x}+\sqrt{\mathrm{1}+{x}^{\mathrm{2}} }\right)\:\:\:{and}\:\:{dy}=\frac{\mathrm{1}}{\:\sqrt{\mathrm{1}+{x}^{\mathrm{2}}…