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AllQuestion and Answers: Page 65

Question Number 214793 Answers: 4 Comments: 2

Question Number 214785 Answers: 4 Comments: 0

(x−3)^4 =7^4 x=?

$$\left({x}−\mathrm{3}\right)^{\mathrm{4}} =\mathrm{7}^{\mathrm{4}} \\ $$$${x}=? \\ $$

Question Number 214784 Answers: 2 Comments: 0

⇃

$$\:\:\:\downharpoonleft\underline{\:} \\ $$

Question Number 214781 Answers: 1 Comments: 2

What is the usefulness of “Get Latex”in this application?

$$\mathrm{What}\:\mathrm{is}\:\mathrm{the}\:\mathrm{usefulness}\:\mathrm{of}\:``\mathrm{Get}\:\mathrm{Latex}''\mathrm{in}\:\mathrm{this}\: \\ $$$$\mathrm{application}? \\ $$

Question Number 214780 Answers: 0 Comments: 3

Hello, friends ⋗

$$\mathrm{Hello},\:\mathrm{friends}\:\gtrdot \\ $$

Question Number 214770 Answers: 1 Comments: 0

∫sin^3 xdx=?

$$\int\mathrm{sin}^{\mathrm{3}} {xdx}=? \\ $$

Question Number 214764 Answers: 1 Comments: 0

Question Number 214759 Answers: 2 Comments: 0

If x = cy + bz, y = cx + az and z = bx + ay then prove that (x/( (√(1 − a^2 )))) = (y/( (√(1 − b^2 )))) = (z/( (√(1 − c^2 )))) .

$$\mathrm{If}\:{x}\:=\:{cy}\:+\:{bz},\:{y}\:=\:{cx}\:+\:{az}\:\mathrm{and} \\ $$$${z}\:=\:{bx}\:+\:{ay}\:\mathrm{then}\:\mathrm{prove}\:\mathrm{that} \\ $$$$\frac{{x}}{\:\sqrt{\mathrm{1}\:−\:{a}^{\mathrm{2}} }}\:=\:\frac{{y}}{\:\sqrt{\mathrm{1}\:−\:{b}^{\mathrm{2}} }}\:=\:\frac{{z}}{\:\sqrt{\mathrm{1}\:−\:{c}^{\mathrm{2}} }}\:. \\ $$

Question Number 214758 Answers: 0 Comments: 0

Question Number 214757 Answers: 1 Comments: 2

Question Number 214756 Answers: 2 Comments: 0

∫(1/(2(√x)))sin (√x)dx=?

$$\int\frac{\mathrm{1}}{\mathrm{2}\sqrt{{x}}}\mathrm{sin}\:\sqrt{{x}}{dx}=? \\ $$

Question Number 214753 Answers: 0 Comments: 1

Question Number 214750 Answers: 1 Comments: 0

Question Number 214742 Answers: 2 Comments: 2

Question Number 214731 Answers: 1 Comments: 7

TINKU TARA Why are you don′t solve the plot bug? Whenever I type in x^2 and plot from drawing, It got an error.

$$\boldsymbol{\mathrm{TINKU}}\:\boldsymbol{\mathrm{TARA}} \\ $$$$\mathrm{Why}\:\mathrm{are}\:\mathrm{you}\:\mathrm{don}'\mathrm{t}\:\mathrm{solve}\:\mathrm{the}\:\mathrm{plot}\:\mathrm{bug}? \\ $$$$\mathrm{Whenever}\:\mathrm{I}\:\mathrm{type}\:\mathrm{in}\:{x}^{\mathrm{2}} \:\mathrm{and}\:\mathrm{plot}\:\mathrm{from}\:\mathrm{drawing},\:\mathrm{It}\:\mathrm{got}\:\mathrm{an}\:\mathrm{error}. \\ $$

Question Number 214729 Answers: 1 Comments: 0

Emergency ((x(x+1))/2)=((2x−3)/3)+1

$$\mathrm{Emergency} \\ $$$$\frac{{x}\left({x}+\mathrm{1}\right)}{\mathrm{2}}=\frac{\mathrm{2}{x}−\mathrm{3}}{\mathrm{3}}+\mathrm{1} \\ $$

Question Number 214726 Answers: 0 Comments: 0

for the function z = xtan^(−1) ((y/x))+ysin^(−1) ((x/y))+2 then the value of x(∂z/∂x)+y(∂z/∂y)=?

$$\mathrm{for}\:\mathrm{the}\:\mathrm{function}\:{z}\:=\:{x}\mathrm{tan}^{−\mathrm{1}} \left(\frac{{y}}{{x}}\right)+{y}\mathrm{sin}^{−\mathrm{1}} \left(\frac{{x}}{{y}}\right)+\mathrm{2} \\ $$$$\mathrm{then}\:\mathrm{the}\:\mathrm{value}\:\mathrm{of}\:{x}\frac{\partial{z}}{\partial{x}}+{y}\frac{\partial{z}}{\partial{y}}=?\: \\ $$

Question Number 214713 Answers: 2 Comments: 0

Find matrix B if given AB=BA= (((0 0)),((0 0)) ) where A= (((5 3)),((5 3)) ) and B ≠ (((0 0)),((0 0)) )

$$\:\:\mathrm{Find}\:\mathrm{matrix}\:\mathrm{B}\:\mathrm{if}\:\mathrm{given}\:\mathrm{AB}=\mathrm{BA}=\begin{pmatrix}{\mathrm{0}\:\:\mathrm{0}}\\{\mathrm{0}\:\:\mathrm{0}}\end{pmatrix} \\ $$$$\:\:\mathrm{where}\:\mathrm{A}=\:\begin{pmatrix}{\mathrm{5}\:\:\:\mathrm{3}}\\{\mathrm{5}\:\:\:\mathrm{3}}\end{pmatrix}\:\mathrm{and}\:\mathrm{B}\:\neq\:\begin{pmatrix}{\mathrm{0}\:\:\:\mathrm{0}}\\{\mathrm{0}\:\:\:\mathrm{0}}\end{pmatrix} \\ $$$$ \\ $$

Question Number 214712 Answers: 2 Comments: 0

$$\:\:\:\cancel{\underline{\underbrace{\boldsymbol{{x}}}}} \\ $$

Question Number 214722 Answers: 1 Comments: 1

Question Number 214719 Answers: 4 Comments: 0

Question Number 214701 Answers: 0 Comments: 2

Hey tinku tara, is the plot bug fixing?

$$\mathrm{Hey}\:\mathrm{tinku}\:\mathrm{tara}, \\ $$$$\mathrm{is}\:\mathrm{the}\:\mathrm{plot}\:\mathrm{bug}\:\mathrm{fixing}? \\ $$

Question Number 214696 Answers: 1 Comments: 1

Question Number 214683 Answers: 1 Comments: 1

Question Number 214678 Answers: 1 Comments: 0

solve partial differantial equation x((∂f(x,y))/∂x)+y((∂f(x,y))/∂y)=f(x,y)ln(x^2 +y^2 ) ((∂^2 f(x,y))/∂x^2 )+((∂^2 f(x,y))/∂y^2 )=0

$$\mathrm{solve} \\ $$$$\mathrm{partial}\:\mathrm{differantial}\:\mathrm{equation} \\ $$$${x}\frac{\partial{f}\left({x},{y}\right)}{\partial{x}}+{y}\frac{\partial{f}\left({x},{y}\right)}{\partial{y}}={f}\left({x},{y}\right)\mathrm{ln}\left({x}^{\mathrm{2}} +{y}^{\mathrm{2}} \right) \\ $$$$\frac{\partial^{\mathrm{2}} {f}\left({x},{y}\right)}{\partial{x}^{\mathrm{2}} }+\frac{\partial^{\mathrm{2}} {f}\left({x},{y}\right)}{\partial{y}^{\mathrm{2}} }=\mathrm{0} \\ $$

Question Number 214675 Answers: 1 Comments: 0

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