Question and Answers Forum

All Questions   Topic List

AllQuestion and Answers: Page 1583

Question Number 50577    Answers: 1   Comments: 1

Question Number 50576    Answers: 0   Comments: 1

Question Number 50573    Answers: 0   Comments: 0

Question Number 50568    Answers: 1   Comments: 1

Question Number 50657    Answers: 0   Comments: 0

Question Number 50561    Answers: 3   Comments: 1

Question Number 50560    Answers: 1   Comments: 0

2(1/3)x−4y x=3 y=−1 help md plz sir

$$\mathrm{2}\frac{\mathrm{1}}{\mathrm{3}}\mathrm{x}−\mathrm{4y}\:\:\:\:\:\:\:\:\:\:\:\:\mathrm{x}=\mathrm{3}\:\:\:\:\:\:\mathrm{y}=−\mathrm{1} \\ $$$$\mathrm{help}\:\mathrm{md}\:\mathrm{plz}\:\mathrm{sir} \\ $$

Question Number 50558    Answers: 0   Comments: 0

thanks sir

$$\mathrm{thanks}\:\mathrm{sir} \\ $$

Question Number 50553    Answers: 0   Comments: 2

find the area of triangle given P(x_1 ,y_1 ) Q(x_2 ,y_2 ) and R(x_3 ,y_3 )

$$\boldsymbol{\mathrm{find}}\:\boldsymbol{\mathrm{the}}\:\boldsymbol{\mathrm{area}}\:\boldsymbol{\mathrm{of}}\:\boldsymbol{\mathrm{triangle}}\:\boldsymbol{\mathrm{given}} \\ $$$$\boldsymbol{\mathrm{P}}\left(\boldsymbol{{x}}_{\mathrm{1}} ,\boldsymbol{{y}}_{\mathrm{1}} \right)\:\boldsymbol{\mathrm{Q}}\left(\boldsymbol{{x}}_{\mathrm{2}} ,\boldsymbol{{y}}_{\mathrm{2}} \right)\:\boldsymbol{\mathrm{and}}\:\boldsymbol{\mathrm{R}}\left(\boldsymbol{{x}}_{\mathrm{3}} ,\boldsymbol{{y}}_{\mathrm{3}} \right) \\ $$

Question Number 50551    Answers: 1   Comments: 0

find the real root of x−(x^3 /3)+(x^5 /(10))−(x^7 /(42))+(x^9 /(216))−(x^(11) /(1320))+……=.443 please if any simple expansion of it then plz tell me

$${find}\:{the}\:{real}\:{root}\:{of} \\ $$$${x}−\frac{{x}^{\mathrm{3}} }{\mathrm{3}}+\frac{{x}^{\mathrm{5}} }{\mathrm{10}}−\frac{{x}^{\mathrm{7}} }{\mathrm{42}}+\frac{{x}^{\mathrm{9}} }{\mathrm{216}}−\frac{{x}^{\mathrm{11}} }{\mathrm{1320}}+\ldots\ldots=.\mathrm{443} \\ $$$${please}\:{if}\:{any}\:{simple}\:{expansion}\:{of}\:{it} \\ $$$${then}\:{plz}\:{tell}\:{me} \\ $$$$ \\ $$

Question Number 50549    Answers: 1   Comments: 0

3(x−3)+5=4x−(x+4) sir plz help me

$$\mathrm{3}\left(\mathrm{x}−\mathrm{3}\right)+\mathrm{5}=\mathrm{4x}−\left(\mathrm{x}+\mathrm{4}\right) \\ $$$$\mathrm{sir}\:\mathrm{plz}\:\mathrm{help}\:\mathrm{me} \\ $$$$ \\ $$

Question Number 50547    Answers: 2   Comments: 0

Question Number 50519    Answers: 3   Comments: 0

Question Number 50511    Answers: 1   Comments: 0

refer to question #50278 (√(a+(√(a−x))))+(√(a−(√(a+x))))=2x

$${refer}\:{to}\:{question}\:#\mathrm{50278} \\ $$$$\sqrt{{a}+\sqrt{{a}−{x}}}+\sqrt{{a}−\sqrt{{a}+{x}}}=\mathrm{2}{x} \\ $$

Question Number 50466    Answers: 0   Comments: 4

∫ ((cos (2t))/t^3 ) dt = ....

$$\: \\ $$$$\int\:\frac{\mathrm{cos}\:\left(\mathrm{2}{t}\right)}{{t}^{\mathrm{3}} }\:{dt}\:=\:.... \\ $$

Question Number 50460    Answers: 2   Comments: 2

Question Number 50453    Answers: 0   Comments: 3

Question Number 50451    Answers: 2   Comments: 0

how can i derive a formula to calculate the speed of an electron in n^(th) orbit of a hydrogen atom?

$${how}\:{can}\:{i}\:{derive}\:{a}\:{formula}\:{to}\:{calculate}\:{the}\:{speed}\:{of}\:{an}\:{electron} \\ $$$${in}\:{n}^{{th}} \:{orbit}\:{of}\:{a}\:{hydrogen}\:{atom}? \\ $$

Question Number 50450    Answers: 0   Comments: 0

how many trips can a bird moving in 120m/s make between two trains which are initially 120m apart and moving in 60m/s to each other?

$${how}\:{many}\:{trips}\:{can}\:{a}\:{bird}\:{moving}\:{in}\:\mathrm{120}{m}/{s}\:{make} \\ $$$${between}\:{two}\:{trains}\:{which}\:{are}\:{initially}\:\mathrm{120}{m}\:{apart}\:{and} \\ $$$${moving}\:{in}\:\mathrm{60}{m}/{s}\:{to}\:{each}\:{other}? \\ $$$$ \\ $$

Question Number 50446    Answers: 0   Comments: 2

Question Number 50445    Answers: 1   Comments: 1

The roots of the fallowing functions are the Sequences of arithmetic progressiyon f(x)=x^5 −20x^4 +ax^3 +bx^2 +cx+24 f(8)=?

$$\boldsymbol{\mathrm{The}}\:\:\boldsymbol{\mathrm{roots}}\:\:\boldsymbol{\mathrm{of}}\:\:\boldsymbol{\mathrm{the}}\:\:\boldsymbol{\mathrm{fallowing}} \\ $$$$\boldsymbol{\mathrm{functions}}\:\:\boldsymbol{\mathrm{are}}\:\:\boldsymbol{\mathrm{the}}\:\:\boldsymbol{\mathrm{Sequences}}\:\:\boldsymbol{\mathrm{of}} \\ $$$$\boldsymbol{\mathrm{arithmetic}}\:\:\boldsymbol{\mathrm{progressiyon}} \\ $$$$\boldsymbol{\mathrm{f}}\left(\boldsymbol{\mathrm{x}}\right)=\boldsymbol{\mathrm{x}}^{\mathrm{5}} −\mathrm{20}\boldsymbol{\mathrm{x}}^{\mathrm{4}} +\boldsymbol{\mathrm{ax}}^{\mathrm{3}} +\boldsymbol{\mathrm{bx}}^{\mathrm{2}} +\boldsymbol{\mathrm{cx}}+\mathrm{24} \\ $$$$\boldsymbol{\mathrm{f}}\left(\mathrm{8}\right)=? \\ $$

Question Number 50442    Answers: 1   Comments: 2

Question Number 50439    Answers: 0   Comments: 1

prof Abdo please limit the input of question... here it is flood...

$${prof}\:{Abdo}\:{please}\:{limit}\:{the}\:{input}\:{of}\:{question}... \\ $$$${here}\:{it}\:{is}\:{flood}... \\ $$

Question Number 50433    Answers: 0   Comments: 0

find all function f C^2 onR / f(x)+∫_0 ^x (x−t)f(t)dt =1 ∀ x∈R .

$${find}\:{all}\:{function}\:{f}\:\:{C}^{\mathrm{2}} \:{onR}\:/ \\ $$$${f}\left({x}\right)+\int_{\mathrm{0}} ^{{x}} \left({x}−{t}\right){f}\left({t}\right){dt}\:=\mathrm{1}\:\forall\:{x}\in{R}\:. \\ $$

Question Number 50432    Answers: 1   Comments: 1

solve x(x^2 −1)y^′ +2y =x^2

$${solve}\:{x}\left({x}^{\mathrm{2}} −\mathrm{1}\right){y}^{'} \:+\mathrm{2}{y}\:={x}^{\mathrm{2}} \\ $$

Question Number 50431    Answers: 1   Comments: 1

solve xy^′ +y =((2x)/(√(1−x^4 )))

$${solve}\:{xy}^{'} \:+{y}\:=\frac{\mathrm{2}{x}}{\sqrt{\mathrm{1}−{x}^{\mathrm{4}} }} \\ $$

  Pg 1578      Pg 1579      Pg 1580      Pg 1581      Pg 1582      Pg 1583      Pg 1584      Pg 1585      Pg 1586      Pg 1587   

Terms of Service

Privacy Policy

Contact: info@tinkutara.com