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Question Number 211457    Answers: 2   Comments: 0

Question Number 211456    Answers: 2   Comments: 0

Question Number 211455    Answers: 2   Comments: 0

Question Number 211454    Answers: 2   Comments: 0

Question Number 211453    Answers: 1   Comments: 0

Question Number 211451    Answers: 0   Comments: 0

Question Number 211445    Answers: 1   Comments: 0

Question Number 211443    Answers: 1   Comments: 0

Question Number 211437    Answers: 3   Comments: 1

Question Number 211434    Answers: 1   Comments: 0

0.9999....=?(a/b)

$$\mathrm{0}.\mathrm{9999}....=?\frac{{a}}{{b}} \\ $$

Question Number 211430    Answers: 0   Comments: 1

determiner les valeurs demandees en finction des donnes :a, b ,angle F2 (h=MH)

$$\mathrm{determiner}\:\mathrm{les}\:\mathrm{valeurs}\:\mathrm{demandees} \\ $$$$\mathrm{en}\:\mathrm{finction}\:\mathrm{des}\:\mathrm{donnes}\::\boldsymbol{\mathrm{a}},\:\boldsymbol{\mathrm{b}}\:,\mathrm{angle}\:\:\boldsymbol{\mathrm{F}}\mathrm{2} \\ $$$$\left(\mathrm{h}=\boldsymbol{\mathrm{MH}}\right) \\ $$

Question Number 211421    Answers: 1   Comments: 0

if a_n = n^4 ∫_n ^(n+1) ((x dx)/(1+x^5 )) then (1) Σa_n is convergent or divergent?? (2) lim_(n→∞) a_(n ) = ??

$$\:\:\:\:\mathrm{if}\:\mathrm{a}_{\mathrm{n}} \:=\:\mathrm{n}^{\mathrm{4}} \int_{\mathrm{n}} ^{\mathrm{n}+\mathrm{1}} \:\frac{\mathrm{x}\:\mathrm{dx}}{\mathrm{1}+\mathrm{x}^{\mathrm{5}} }\:\:\mathrm{then} \\ $$$$\:\:\:\:\left(\mathrm{1}\right)\:\Sigma\mathrm{a}_{\mathrm{n}} \:\mathrm{is}\:\mathrm{convergent}\:\mathrm{or}\:\mathrm{divergent}?? \\ $$$$\:\:\:\:\left(\mathrm{2}\right)\:\underset{\mathrm{n}\rightarrow\infty} {\mathrm{lim}}\:\mathrm{a}_{\mathrm{n}\:} \:=\:?? \\ $$

Question Number 211419    Answers: 1   Comments: 0

Question Number 211418    Answers: 2   Comments: 0

Question Number 211417    Answers: 0   Comments: 0

Question Number 211416    Answers: 1   Comments: 1

Question Number 211415    Answers: 0   Comments: 1

Question Number 211414    Answers: 1   Comments: 0

Question Number 211405    Answers: 0   Comments: 1

Question Number 211402    Answers: 1   Comments: 0

Question Number 211400    Answers: 3   Comments: 0

∫_0 ^1 ((x^3 −3x^2 +3x−1)/(x^4 +4x^3 +6x^2 +4x+1))dx

$$ \\ $$$$\:\:\:\:\:\:\:\:\:\:\int_{\mathrm{0}} ^{\mathrm{1}} \frac{{x}^{\mathrm{3}} −\mathrm{3}{x}^{\mathrm{2}} +\mathrm{3}{x}−\mathrm{1}}{{x}^{\mathrm{4}} +\mathrm{4}{x}^{\mathrm{3}} +\mathrm{6}{x}^{\mathrm{2}} +\mathrm{4}{x}+\mathrm{1}}{dx} \\ $$$$ \\ $$

Question Number 211399    Answers: 0   Comments: 1

∫(dx/((1+x^4 )(√(1+x^4 −x^2 ))))

$$\:\:\:\:\:\:\:\:\:\:\:\:\: \\ $$$$\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\int\frac{{dx}}{\left(\mathrm{1}+{x}^{\mathrm{4}} \right)\sqrt{\mathrm{1}+{x}^{\mathrm{4}} −{x}^{\mathrm{2}} }} \\ $$$$ \\ $$

Question Number 211398    Answers: 1   Comments: 0

Question Number 211393    Answers: 3   Comments: 1

Question Number 211392    Answers: 1   Comments: 0

△ABC. cos C=((sin A + cos A)/2)=((sin B + cos B)/2). Find cos C.

$$\bigtriangleup{ABC}.\:\mathrm{cos}\:{C}=\frac{\mathrm{sin}\:{A}\:+\:\mathrm{cos}\:{A}}{\mathrm{2}}=\frac{\mathrm{sin}\:{B}\:+\:\mathrm{cos}\:{B}}{\mathrm{2}}. \\ $$$$\mathrm{Find}\:\mathrm{cos}\:{C}. \\ $$

Question Number 211383    Answers: 2   Comments: 1

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