Question and Answers Forum

All Questions Topic List

AlgebraQuestion and Answers: Page 312

Question Number 48295 Answers: 1 Comments: 0

Question Number 48294 Answers: 2 Comments: 3

Question Number 48272 Answers: 0 Comments: 1

z^5 =32 find all root z

$z^{5} = 32$ $find all r o o t z$

Question Number 48225 Answers: 1 Comments: 0

prove that exp(((2+πi)/4))=(√(e/2))(1+i) cos (z_1 +z_2 )=cos z_1 cos z_2 −sin z_1 sin z_2

$prove that$ $\exp (\frac{2 + π i}{4}) = \sqrt{\frac{e}{2}} (1 + i)$ $\cos (z_{1} + z_{2}) = \cos z_{1} \cos z_{2} - \sin z_{1} \sin z_{2}$

Question Number 48224 Answers: 1 Comments: 0

e^z =1−(√3)i z=..

$e^{z} = 1 - \sqrt{3} i$ $z = . .$

Question Number 48222 Answers: 0 Comments: 0

f(x)=Σ_(i=0) ^(n) a_i x^i =a_n x^n +a_(n−1) x^(n−1) +a_(n−2) x^(n−2) +…+a_2 x^2 +a_1 x+a_0 f^(−1) (x)=...

$f (x) = \underset{i = 0}{\overset{n}{Σ}} a_{i} x^{i} = a_{n} x^{n} + a_{n - 1} x^{n - 1} + a_{n - 2} x^{n - 2} + \dots + a_{2} x^{2} + a_{1} x + a_{0}$ $f^{- 1} (x) = . . .$

Question Number 48204 Answers: 1 Comments: 0

2(x^4 −2x^2 +3)(y^4 −3y^2 +4)=7 Find (x,y) .

$2 (x^{4} - 2 x^{2} + 3) (y^{4} - 3 y^{2} + 4) = 7$ $F i n d (x, y) .$

Question Number 48161 Answers: 1 Comments: 1

f(z)=((1−z)/(1+z)) u(x,y)=.. v(x,y)=..

$f (z) = \frac{1 - z}{1 + z}$ $u (x, y) = . .$ $v (x, y) = . .$

Question Number 48075 Answers: 1 Comments: 1

solve (∣x^2 −1∣−(1/2))x+((√6)/(18))=0

$solve (∣ x^{2} - 1 ∣ - \frac{1}{2}) x + \frac{\sqrt{6}}{18} = 0$

Question Number 48055 Answers: 2 Comments: 6

Solve the system: { ((x^3 +x^2 y−4xy^2 −4y^3 =0)),((x^2 −2xy−3y^2 −x−y=0)) :}

$S o l v e t h e s y s t e m :$ ${\begin{cases} x^{3} + x^{2} y - 4 {x y}^{2} - 4 y^{3} = 0 \\ x^{2} - 2 x y - 3 y^{2} - x - y = 0 \end{cases}$

Question Number 47993 Answers: 0 Comments: 5

Solve in R ((59+(√(x−2))))^(1/3) +((12−(√(x−11))))^(1/3) =6

$S o l v e i n R$ $\sqrt[3]{59 + \sqrt{x - 2}} + \sqrt[3]{12 - \sqrt{x - 11}} = 6$

Question Number 47986 Answers: 3 Comments: 1

Question Number 47966 Answers: 1 Comments: 1

a(x^2 +y^2 )+b(x+y)= c & x^2 −y^2 = R^2 Solve for x or y .

$a (x^{2} + y^{2}) + b (x + y) = c$ $& x^{2} - y^{2} = R^{2}$ $S o l v e f o r x o r y .$

Question Number 47916 Answers: 2 Comments: 1

Question Number 47807 Answers: 1 Comments: 0

sin xy^2 =y^2 +2x diferential express is

$\sin {x y}^{2} = y^{2} + 2 x$ $diferential e x p r e s s is$

Question Number 47778 Answers: 1 Comments: 0

f(x)=2x^3 +x^2 −2x−1 f^(−1) (x)=...

$f (x) = 2 x^{3} + x^{2} - 2 x - 1$ $f^{- 1} (x) = . . .$

Question Number 47712 Answers: 0 Comments: 0

show that ^(^2 C_2 ) C_n = (1/((1−n)!(n−1)(n−2)(n−3)...3(2)(1)))

$s h o w t h a t$ $^{^{2} C_{2}} C_{n} = \frac{1}{(1 - n)! (n - 1) (n - 2) (n - 3) . . . 3 (2) (1)}$

Question Number 47543 Answers: 2 Comments: 0

solve (1+ix)^n =n with x unknown real and n integr natural .

$s o l v e {(1 + i x)}^{n} = n w i t h x u n k n o w n r e a l a n d n i n t e g r n a t u r a l .$

Question Number 47394 Answers: 1 Comments: 1

f(z)=((3z+1)/(2−4z)) f(f(z))=...

$f (z) = \frac{3 z + 1}{2 - 4 z}$ $f (f (z)) = . . .$

Question Number 47391 Answers: 2 Comments: 1

z_1 =3+i z_2 =1−2i determinant ((((2z_2 +z_1 −5−i)/(2z_1 −z_2 +3−i))))^2 =..

$z_{1} = 3 + i$ $z_{2} = 1 - 2 i$ ${| \begin{matrix} \frac{2 z_{2} + z_{1} - 5 - i}{2 z_{1} - z_{2} + 3 - i} \end{matrix} |}^{2} = . .$

Question Number 47389 Answers: 0 Comments: 1

((√3)−i)^(1+2i) =...

${(\sqrt{3} - i)}^{1 + 2 i} = . . .$

Question Number 47331 Answers: 0 Comments: 1

this remained unsolved... ∣x−(3/4)∣×∣x+(5/4)∣=3; x∈C

$this remained unsolved . . .$ $∣ x - \frac{3}{4} ∣ \times ∣ x + \frac{5}{4} ∣= 3; x \in C$

Question Number 47291 Answers: 1 Comments: 0

solve for x∈C: ∣x−(3/4)∣×∣x+(5/4)∣=3

$solve for x \in C :$ $∣ x - \frac{3}{4} ∣ \times ∣ x + \frac{5}{4} ∣= 3$

Question Number 47239 Answers: 1 Comments: 1

((1.8×10^6 )/(tan(89.9999°))) ∼ π (upto 9 decimal places) can i have some explanations how it is worked out ? Thank you!

$\frac{1.8 \times 10^{6}}{t a n (89.9999 °)} \sim π (u p t o 9 d e c i m a l p l a c e s)$ $c a n i h a v e s o m e e x p l a n a t i o n s h o w i t i s w o r k e d o u t ?$ $T h a n k y o u!$

Question Number 47139 Answers: 1 Comments: 0

Solve for n: 4^n + 2^n − 6 = (2^n − 4)^3 + (4^n − 2)^3 ....

$Solve for n : 4^{n} + 2^{n} - 6 = {(2^{n} - 4)}^{3} + {(4^{n} - 2)}^{3} . . . .$

Question Number 47068 Answers: 1 Comments: 0

(a−b)^2

${(a - b)}^{2}$

Pg 307 Pg 308 Pg 309 Pg 310 Pg 311 Pg 312 Pg 313 Pg 314 Pg 315 Pg 316

Contact: info@tinkutara.com