Question Number 64857 by turbo msup by abdo last updated on 22/Jul/19 Commented by turbo msup by abdo last updated on 22/Jul/19 $${hello}\:{friends}\:{have}\:{a}\:{nice}\:{days}… \\ $$…
Question Number 64853 by Aysha Abedin last updated on 22/Jul/19 $$ \\ $$ Answered by MJS last updated on 22/Jul/19 $$\mathrm{42} \\ $$ Terms of…
Question Number 130382 by Bird last updated on 24/Jan/21 $${find}\:\sum_{{n}=\mathrm{1}} ^{\infty} \:\frac{{x}^{{n}} }{{n}^{\mathrm{3}} } \\ $$$${determine}\:{first}\:{radius}\:{of}\:{convergence} \\ $$$$\left({xreal}\right) \\ $$ Terms of Service Privacy Policy…
Question Number 130381 by Bird last updated on 24/Jan/21 $${calculate}\:\sum_{{n}=\mathrm{1}} ^{\infty} \:\frac{{x}^{{n}} }{{n}^{\mathrm{2}} } \\ $$$${find}\:{first}\:{radius}\:{of}\:{convergence} \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 64820 by mathmax by abdo last updated on 22/Jul/19 $${calculate}\:\sum_{{n}=\mathrm{1}} ^{\infty} \:\:\frac{\left(−\mathrm{1}\right)^{{n}} }{{n}^{\mathrm{2}} \left({n}+\mathrm{1}\right)\left({n}+\mathrm{2}\right)} \\ $$ Commented by mathmax by abdo last updated…
Question Number 64819 by mathmax by abdo last updated on 22/Jul/19 $${calculate}\:\sum_{{n}=\mathrm{1}} ^{\infty} \:\:\:\frac{\left(\mathrm{2}{n}+\mathrm{1}\right)\left(−\mathrm{1}\right)^{{n}} }{{n}^{\mathrm{3}} \left({n}+\mathrm{1}\right)^{\mathrm{2}} } \\ $$ Commented by mathmax by abdo last…
Question Number 64744 by mathmax by abdo last updated on 21/Jul/19 $${solve}\:^{\mathrm{3}} \sqrt{\mathrm{1}+{x}}+^{\mathrm{3}} \sqrt{\mathrm{1}−{x}}=\mathrm{2} \\ $$ Answered by MJS last updated on 21/Jul/19 $${a}^{\frac{\mathrm{1}}{\mathrm{3}}} +{b}^{\frac{\mathrm{1}}{\mathrm{3}}}…
Question Number 64652 by mathmax by abdo last updated on 20/Jul/19 $${calculate}\:\:{S}_{{n}} =\sum_{{k}=\mathrm{0}} ^{{n}} \:{k}\:\left({C}_{{n}} ^{{k}} \right)^{\mathrm{2}} \\ $$ Commented by mr W last updated…
Question Number 64650 by mathmax by abdo last updated on 20/Jul/19 $${U}_{{n}} \:{is}\:{a}\:{sequence}\:{wich}\:{verify}\:{lim}_{{n}\rightarrow+\infty} {U}_{{n}+\mathrm{1}} −{U}_{{n}} ={a}\:\:\: \\ $$$${calculate}\:{lim}_{{n}\rightarrow+\infty} \:\frac{{U}_{{n}} }{{n}} \\ $$ Commented by mathmax…
Question Number 64651 by mathmax by abdo last updated on 20/Jul/19 $${calculate}\:\sum_{{k}=\mathrm{1}} ^{{n}} {kC}_{{n}} ^{{k}} \:\mathrm{3}^{{k}} \:\:{interms}\:{of}\:{n} \\ $$ Commented by mathmax by abdo last…