Question and Answers Forum

All Questions Topic List

AllQuestion and Answers: Page 459

Question Number 173121 Answers: 0 Comments: 2

Question Number 173116 Answers: 0 Comments: 1

let w=e^(iπ/4) =(1+i)/(√(2 )) show that: (1/(1+i))erf(wx(√(π/2)))=∫_0 ^x e^(−i t^2 π/2) dt=c(x)−is(x)

$${let}\:{w}={e}^{{i}\pi/\mathrm{4}} =\left(\mathrm{1}+{i}\right)/\sqrt{\mathrm{2}\:}\:{show}\:{that}: \\ $$$$\frac{\mathrm{1}}{\mathrm{1}+{i}}{erf}\left({wx}\sqrt{\frac{\pi}{\mathrm{2}}}\right)=\int_{\mathrm{0}} ^{{x}} {e}^{−{i}\:{t}^{\mathrm{2}} \:\pi/\mathrm{2}} \:{dt}={c}\left({x}\right)−{is}\left({x}\right) \\ $$

Question Number 173115 Answers: 0 Comments: 1

a+b=b+c=a+c=abc (a,b,c)=?

$$\mathrm{a}+\mathrm{b}=\mathrm{b}+\mathrm{c}=\mathrm{a}+\mathrm{c}=\mathrm{abc} \\ $$$$\left(\mathrm{a},\mathrm{b},\mathrm{c}\right)=? \\ $$

Question Number 173098 Answers: 0 Comments: 0

Question Number 173139 Answers: 1 Comments: 0

Question Number 173082 Answers: 1 Comments: 0

Question Number 173078 Answers: 1 Comments: 0

Question Number 173072 Answers: 0 Comments: 0

Solve for complex numbers: { ((((∣x∣^2 )/3) + ((∣y∣^2 )/5) = ((∣x + y∣^2 )/8))),((10x + y = 7 + 14i)) :}

$$\mathrm{Solve}\:\mathrm{for}\:\mathrm{complex}\:\mathrm{numbers}: \\ $$$$\begin{cases}{\frac{\mid\mathrm{x}\mid^{\mathrm{2}} }{\mathrm{3}}\:\:+\:\:\frac{\mid\mathrm{y}\mid^{\mathrm{2}} }{\mathrm{5}}\:\:=\:\:\frac{\mid\mathrm{x}\:+\:\mathrm{y}\mid^{\mathrm{2}} }{\mathrm{8}}}\\{\mathrm{10x}\:\:+\:\:\mathrm{y}\:\:=\:\:\mathrm{7}\:\:+\:\:\mathrm{14}\boldsymbol{\mathrm{i}}}\end{cases} \\ $$

Question Number 173069 Answers: 2 Comments: 0

Θ =∫_0 ^( ∞) ∫_0 ^( ∞) xy e^( −(x+y)) cos(x+y )dxdy=(1/σ) find the value of ” σ ”.

$$ \\ $$$$ \\ $$$$\:\:\:\Theta\:=\int_{\mathrm{0}} ^{\:\infty} \int_{\mathrm{0}} ^{\:\infty} {xy}\:{e}^{\:−\left({x}+{y}\right)} {cos}\left({x}+{y}\:\right){dxdy}=\frac{\mathrm{1}}{\sigma} \\ $$$$\:\:\:\:\:\:\:\:{find}\:{the}\:\:{value}\:{of}\:\:''\:\sigma\:\:''. \\ $$$$ \\ $$

Question Number 173068 Answers: 2 Comments: 0

Question Number 173065 Answers: 1 Comments: 3

Question Number 173064 Answers: 0 Comments: 0

Question Number 173062 Answers: 0 Comments: 2

Question Number 173061 Answers: 0 Comments: 0

Calculate and factorize for m ∈ R, The caracteristic polynom of A= (((−2−m),( 5+m),( m)),(( 5),(−2−m),( −m)),(( −5),( 5),( 3)) )

$${Calculate}\:{and}\:{factorize}\:{for}\:{m}\:\in\:\mathbb{R},\: \\ $$$${The}\:{caracteristic}\:{polynom}\:{of} \\ $$$${A}=\begin{pmatrix}{−\mathrm{2}−{m}}&{\:\:\:\mathrm{5}+{m}}&{\:\:\:\:\:{m}}\\{\:\:\:\:\:\:\:\:\mathrm{5}}&{−\mathrm{2}−{m}}&{\:\:−{m}}\\{\:\:\:\:−\mathrm{5}}&{\:\:\:\:\:\:\mathrm{5}}&{\:\:\:\:\:\:\mathrm{3}}\end{pmatrix} \\ $$

Question Number 173058 Answers: 0 Comments: 0

Question Number 173054 Answers: 1 Comments: 3

Question Number 173053 Answers: 0 Comments: 0

Question Number 173051 Answers: 3 Comments: 0

solve (x−2)(x−3)(x−4)(x−6)=5x^2

$${solve} \\ $$$$\left({x}−\mathrm{2}\right)\left({x}−\mathrm{3}\right)\left({x}−\mathrm{4}\right)\left({x}−\mathrm{6}\right)=\mathrm{5}{x}^{\mathrm{2}} \\ $$

Question Number 173048 Answers: 1 Comments: 0

Question Number 173049 Answers: 2 Comments: 0

Question Number 173042 Answers: 2 Comments: 0

Question Number 173033 Answers: 2 Comments: 0

Question Number 173032 Answers: 1 Comments: 0

Question Number 173028 Answers: 2 Comments: 0

Question Number 173027 Answers: 0 Comments: 0

Question Number 173026 Answers: 1 Comments: 0

Pg 454 Pg 455 Pg 456 Pg 457 Pg 458 Pg 459 Pg 460 Pg 461 Pg 462 Pg 463

Terms of Service

Contact: info@tinkutara.com