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Question Number 60367    Answers: 0   Comments: 6

Question Number 60362    Answers: 0   Comments: 1

Question Number 60340    Answers: 0   Comments: 0

Question Number 60337    Answers: 0   Comments: 2

15,25,42,...?

$$\mathrm{15},\mathrm{25},\mathrm{42},...? \\ $$

Question Number 60335    Answers: 0   Comments: 0

find I_n = ∫ x^n arctan(x)dx with n integr natural.

$${find}\:{I}_{{n}} =\:\int\:\:{x}^{{n}} \:{arctan}\left({x}\right){dx}\:\:{with}\:{n}\:{integr}\:{natural}. \\ $$

Question Number 60330    Answers: 0   Comments: 1

Question Number 60354    Answers: 0   Comments: 0

Question Number 60351    Answers: 0   Comments: 2

Question Number 60357    Answers: 0   Comments: 1

Question Number 60347    Answers: 1   Comments: 1

Question Number 60346    Answers: 0   Comments: 1

∫xsec^3 xdx please help

$$\int{x}\mathrm{sec}\:^{\mathrm{3}} {xdx} \\ $$$${please}\:{help} \\ $$

Question Number 60322    Answers: 1   Comments: 2

Question Number 60321    Answers: 0   Comments: 2

Question Number 60320    Answers: 0   Comments: 1

Question Number 60319    Answers: 0   Comments: 0

Question Number 60318    Answers: 0   Comments: 2

Question Number 60439    Answers: 2   Comments: 1

Question Number 60313    Answers: 3   Comments: 1

Question Number 60311    Answers: 1   Comments: 2

∫(dx/(√(sec h^2 (x)+1))) dx

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

Question Number 60308    Answers: 0   Comments: 0

Question Number 60307    Answers: 0   Comments: 0

Question Number 60304    Answers: 0   Comments: 0

Question Number 60303    Answers: 1   Comments: 0

Question Number 60287    Answers: 2   Comments: 2

f(x) = x^3 + 3x − 7 f^(−1) (x) = ?

$${f}\left({x}\right)\:\:=\:\:{x}^{\mathrm{3}} \:+\:\mathrm{3}{x}\:−\:\mathrm{7} \\ $$$${f}\:^{−\mathrm{1}} \left({x}\right)\:\:=\:\:? \\ $$

Question Number 60283    Answers: 1   Comments: 1

Question Number 60269    Answers: 3   Comments: 3

if tan A − cot A = 0 prove that sin A + cos A=?

$${if} \\ $$$${tan}\:{A}\:−\:{cot}\:{A}\:=\:\mathrm{0} \\ $$$${prove}\:{that} \\ $$$${sin}\:{A}\:+\:{cos}\:{A}=? \\ $$

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