Menu Close

Category: None

Question-68693

Question Number 68693 by Maclaurin Stickker last updated on 15/Sep/19 Commented by turbo msup by abdo last updated on 15/Sep/19 $${let}\:{S}_{{n}} =\sum_{{k}=\mathrm{1}} ^{{n}} \left(\frac{\mathrm{1}}{\:\sqrt{{k}}}−\frac{\mathrm{1}}{\:\sqrt{{k}+\mathrm{1}}}\right)\:\Rightarrow \\…

Question-134211

Question Number 134211 by rs4089 last updated on 01/Mar/21 Answered by mr W last updated on 01/Mar/21 $${u}={x}^{{m}} {y}^{{n}} \left({a}−{x}−{y}\right)^{{p}} \\ $$$$\frac{\partial{u}}{\partial{x}}={y}^{{n}} \left[{mx}^{{m}−\mathrm{1}} \left({a}−{x}−{y}\right)^{{p}} −{x}^{{m}}…

2xdx-

Question Number 134197 by Fodele last updated on 28/Feb/21 $$\int\mathrm{2}{xdx} \\ $$ Commented by hknkrc46 last updated on 28/Feb/21 $$=\:\mathrm{2}\int\boldsymbol{{xdx}}\:=\:\mathrm{2}\frac{\boldsymbol{{x}}^{\mathrm{2}} }{\mathrm{2}}\:+\:\boldsymbol{{C}}\:=\:\boldsymbol{{x}}^{\mathrm{2}} \:+\:\boldsymbol{{C}} \\ $$ Terms…

let-S-a-1-a-2-a-n-S-n-S-contains-n-random-integers-such-that-a-a-k-b-If-I-wanted-to-find-the-average-value-which-is-S-1-n-i-1-n-a-i-What-would-a-possible-answer-be-

Question Number 3112 by Filup last updated on 05/Dec/15 $$\mathrm{let}\:{S}=\left\{{a}_{\mathrm{1}} ,\:{a}_{\mathrm{2}} ,\:…,\:{a}_{{n}} \right\}\::\:\mid{S}\mid={n} \\ $$$$ \\ $$$${S}\:\mathrm{contains}\:{n}\:\mathrm{random}\:\mathrm{integers}\:\mathrm{such}\:\mathrm{that} \\ $$$${a}\leqslant{a}_{{k}} \leqslant{b} \\ $$$$ \\ $$$$\mathrm{If}\:\mathrm{I}\:\mathrm{wanted}\:\mathrm{to}\:\mathrm{find}\:\mathrm{the}\:\mathrm{average}\:\mathrm{value} \\…