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Question Number 89732    Answers: 0   Comments: 0

Question Number 89728    Answers: 1   Comments: 0

Find the area bounded by 3x+4y=12 and the coordinate axes?

$${Find}\:{the}\:{area}\:{bounded}\:{by}\:\mathrm{3}{x}+\mathrm{4}{y}=\mathrm{12} \\ $$$${and}\:{the}\:{coordinate}\:{axes}? \\ $$

Question Number 89726    Answers: 0   Comments: 0

∫_0 ^1 6(√(x/(x^2 +1))) dx

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

Question Number 89719    Answers: 0   Comments: 0

find ∫_1 ^(+∞) ((arctan(ln(x)))/(4+x^2 ))dx

$${find}\:\int_{\mathrm{1}} ^{+\infty} \:\frac{{arctan}\left({ln}\left({x}\right)\right)}{\mathrm{4}+{x}^{\mathrm{2}} }{dx} \\ $$

Question Number 89718    Answers: 0   Comments: 0

let f(x)=(√(2x+1))−(√(2x−1)) find f^((n)) by recurence

$${let}\:{f}\left({x}\right)=\sqrt{\mathrm{2}{x}+\mathrm{1}}−\sqrt{\mathrm{2}{x}−\mathrm{1}} \\ $$$${find}\:{f}^{\left({n}\right)} \:{by}\:{recurence} \\ $$

Question Number 89717    Answers: 1   Comments: 0

let f(x)=2x−(√(x−1)) find ∫ ((f^(−1) (x))/(f(x)))dx

$${let}\:\:{f}\left({x}\right)=\mathrm{2}{x}−\sqrt{{x}−\mathrm{1}} \\ $$$${find}\:\int\:\:\:\frac{{f}^{−\mathrm{1}} \left({x}\right)}{{f}\left({x}\right)}{dx}\:\: \\ $$

Question Number 89716    Answers: 0   Comments: 0

calculate A_n =∫_0 ^∞ e^(−n[x]) sin((([x])/n))dx find nature of Σ n^2 A_n

$${calculate}\:{A}_{{n}} =\int_{\mathrm{0}} ^{\infty} \:\:{e}^{−{n}\left[{x}\right]} \:{sin}\left(\frac{\left[{x}\right]}{{n}}\right){dx} \\ $$$${find}\:{nature}\:{of}\:\Sigma\:{n}^{\mathrm{2}} \:{A}_{{n}} \\ $$

Question Number 89714    Answers: 1   Comments: 1

calculate ∫_0 ^∞ (dx/((1+(√(2+x^2 )))^2 ))

$${calculate}\:\int_{\mathrm{0}} ^{\infty} \:\:\:\frac{{dx}}{\left(\mathrm{1}+\sqrt{\mathrm{2}+{x}^{\mathrm{2}} }\right)^{\mathrm{2}} } \\ $$

Question Number 89712    Answers: 0   Comments: 1

Question Number 89702    Answers: 1   Comments: 0

3^(2t+1) +3^(t+2) =((10)/3)

$$\mathrm{3}^{\mathrm{2}{t}+\mathrm{1}} +\mathrm{3}^{{t}+\mathrm{2}} =\frac{\mathrm{10}}{\mathrm{3}} \\ $$

Question Number 89687    Answers: 1   Comments: 3

x^3 +x−16=0

$${x}^{\mathrm{3}} +{x}−\mathrm{16}=\mathrm{0} \\ $$

Question Number 89698    Answers: 1   Comments: 4

hi everyone what is the definition of the tangent straight line to the curve without relying to the derivitve because the derivative is the slope and thanx for all

$${hi}\:{everyone} \\ $$$${what}\:{is}\:{the}\:{definition}\:{of}\:{the}\:{tangent} \\ $$$${straight}\:{line}\:{to}\:{the}\:{curve}\:{without}\:{relying} \\ $$$${to}\:\:{the}\:{derivitve}\: \\ $$$${because}\:{the}\:{derivative}\:{is}\:{the}\:{slope} \\ $$$${and}\:{thanx}\:{for}\:{all} \\ $$

Question Number 89668    Answers: 1   Comments: 1

what is the first three smallest positive integer that leaves a reminder of 1. when divided by 3 and 5 qnd 7?

$${what}\:{is}\:{the}\:{first}\:{three}\:{smallest}\:{positive}\: \\ $$$${integer}\:{that}\:{leaves}\:{a}\:{reminder}\:{of}\:\mathrm{1}.\:{when} \\ $$$${divided}\:{by}\:\mathrm{3}\:{and}\:\mathrm{5}\:{qnd}\:\mathrm{7}? \\ $$

Question Number 89666    Answers: 0   Comments: 0

tentukan solusi umum dari persamaan diferensial parsial berikut ini 7u_x +3u_y +u=x+y

$${tentukan}\:{solusi}\:{umum}\:{dari}\:{persamaan}\:{diferensial}\:{parsial}\:{berikut}\:{ini}\:\mathrm{7}{u}_{{x}} +\mathrm{3}{u}_{{y}} +{u}={x}+{y} \\ $$

Question Number 89662    Answers: 1   Comments: 0

Given that sin A=(1/2) and sin C=((√3)/2) without u using calculator solve a) tan (A+C) b) cos(A−C)

$${Given}\:{that}\:\mathrm{sin}\:{A}=\frac{\mathrm{1}}{\mathrm{2}}\:{and}\:\mathrm{sin}\:{C}=\frac{\sqrt{\mathrm{3}}}{\mathrm{2}}\:{without}\:{u} \\ $$$${using}\:{calculator}\:{solve} \\ $$$$\left.{a}\right)\:\mathrm{tan}\:\left({A}+{C}\right) \\ $$$$\left.{b}\right)\:{cos}\left({A}−{C}\right) \\ $$

Question Number 89661    Answers: 0   Comments: 3

The Area of the triangle is 9x^2 −12x+4. compute its perimeter?

$${The}\:{Area}\:{of}\:{the}\:{triangle}\:{is}\:\mathrm{9}{x}^{\mathrm{2}} \:−\mathrm{12}{x}+\mathrm{4}. \\ $$$${compute}\:{its}\:{perimeter}? \\ $$

Question Number 89660    Answers: 1   Comments: 3

When rolling 2 dice what is the probability your not getting 2?

$${When}\:{rolling}\:\mathrm{2}\:{dice}\:{what}\:{is}\:{the}\:{probability} \\ $$$${your}\:{not}\:{getting}\:\mathrm{2}? \\ $$

Question Number 89658    Answers: 0   Comments: 4

Question Number 89653    Answers: 1   Comments: 4

Question Number 89652    Answers: 0   Comments: 0

If (y(x−y))^2 = x and ∫ (dx/((x−3y))) = ((m/n)) log [ (x−y)^2 −1] then m+2n = A.1 B. 3 C. 5 D.7

$$\mathrm{If}\:\left({y}\left({x}−{y}\right)\right)^{\mathrm{2}} \:=\:{x}\:{and}\: \\ $$$$\int\:\frac{{dx}}{\left({x}−\mathrm{3}{y}\right)}\:=\:\left(\frac{{m}}{{n}}\right)\:\mathrm{log}\:\left[\:\left({x}−{y}\right)^{\mathrm{2}} −\mathrm{1}\right] \\ $$$${then}\:{m}+\mathrm{2}{n}\:=\: \\ $$$${A}.\mathrm{1}\:\:\:\:\:{B}.\:\mathrm{3}\:\:\:\:\:\:\:\:{C}.\:\mathrm{5}\:\:\:\:\:\:\:\:\:{D}.\mathrm{7} \\ $$

Question Number 89649    Answers: 0   Comments: 3

If (((a−b b+c)),((3d+c 2c−d)) ) = (((8 1)),((7 6)) ) then a+b+c+d = A. −((53)/7) B. −((18)/7) C. ((43)/7) D. ((38)/7) E. ((53)/7)

$$\mathrm{If}\:\begin{pmatrix}{\mathrm{a}−\mathrm{b}\:\:\:\:\:\:\mathrm{b}+\mathrm{c}}\\{\mathrm{3d}+\mathrm{c}\:\:\:\:\:\mathrm{2c}−\mathrm{d}}\end{pmatrix}\:=\:\begin{pmatrix}{\mathrm{8}\:\:\:\:\mathrm{1}}\\{\mathrm{7}\:\:\:\:\mathrm{6}}\end{pmatrix} \\ $$$$\mathrm{then}\:\mathrm{a}+\mathrm{b}+\mathrm{c}+\mathrm{d}\:=\: \\ $$$$\mathrm{A}.\:−\frac{\mathrm{53}}{\mathrm{7}}\:\:\:\:\:\:\:\mathrm{B}.\:−\frac{\mathrm{18}}{\mathrm{7}}\:\:\:\:\:\:\:\mathrm{C}.\:\frac{\mathrm{43}}{\mathrm{7}} \\ $$$$\mathrm{D}.\:\frac{\mathrm{38}}{\mathrm{7}}\:\:\:\:\mathrm{E}.\:\frac{\mathrm{53}}{\mathrm{7}} \\ $$

Question Number 89647    Answers: 1   Comments: 0

Question Number 89867    Answers: 2   Comments: 1

find the integration ∫ln⌊x⌋ dx ; x>2

$${find}\:{the}\:{integration} \\ $$$$\int{ln}\lfloor{x}\rfloor\:{dx}\:\:\:\:\:\:;\:{x}>\mathrm{2} \\ $$

Question Number 89636    Answers: 3   Comments: 2

∫ ((cos x+sin x)/(sin 2x)) dx

$$\int\:\frac{\mathrm{cos}\:\mathrm{x}+\mathrm{sin}\:\mathrm{x}}{\mathrm{sin}\:\mathrm{2x}}\:\mathrm{dx}\: \\ $$

Question Number 89632    Answers: 1   Comments: 0

y(√(x^2 −1)) dx + x(√(y^2 −1)) dy =0

$$\mathrm{y}\sqrt{\mathrm{x}^{\mathrm{2}} −\mathrm{1}}\:\mathrm{dx}\:+\:\mathrm{x}\sqrt{\mathrm{y}^{\mathrm{2}} −\mathrm{1}}\:\mathrm{dy}\:=\mathrm{0} \\ $$

Question Number 89626    Answers: 0   Comments: 1

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