Represent the powers z, z2, z3, and 24 graphically. 2- 211 + V31) 2 Imaginary axis...
Note: if z = (z1, z2, z3), then the vectors x = (−z2, z1, 0) and y = (−z3, 0, z1) are both orthogonal to z. Consider the plane P = H4 (1,−1,3) in R 3 . Find vectors w, x, y so that P = w + Span(x, y). Note: if z = (2,22,23), then the vectors x = (-22,21,0) and y = (-23,0,2) are both orthogonal to z. Consider the plane P = H(1,-1,3) in R3. Find vectors...
Represent the complex number graphically, and find the standard form of the number. 51 10 cos Imaginary axis 10+ Imaginary axis 10F 5 5 Real axis 10 -10 Real axis 10 -5 -10 -5 5 -101 -10 Imaginary axis 10 Imaginary axis 104 51 Real axis 10 -10 -5 5 Real axis 10 -10 -5 -101 -101 CO x
Exercise 9.2. Let Z~ N(0, 1). Find the variance of Z2 and Z3 N0 1) Find the density of . Is the density bounded?
show all working please 10 Given z = 2 – j2 is a root of 2z' - 9z2 + 202 - 8 = 0 find the remaining roots of the equation. Find the real and imaginary parts of z when 1 2 1 2 2 + j3 3 - 2 .. Find z = Z4 + z2z3/(z2+z3) when 2, = 2 +j3, z2 = 3 + j4 and 23 = -5+j12. Find the values of the real numbers x and...
Find R and angle. Z1 =8+3i, Z2 =2+3i, Z3 =9-((2)^1/2 )i. (vi) z = TEM (vii) 2 = 22 + 231
Given: Z1 = 4-j1.5 ohms; Z2 = 2+j4 ohms; Z3 = 2 ohms; 24 = 3 + j5 ohms. If the four impedances are connected in parallel, find the magnitude of equivalent impedance in ohms. (No need to include the phase angle, ONLY THE MAGNITUDE)
Consider the following Fifth roots of 32 Cos 1 32(cos 2* * is 2) (a) Use the formula 2 - Viſcos @ + 24k + 2 + / sin to find the indicated roots of the complex number (Enter your answers in trigonometric form. Letos 0 < 20.) n 20- (6) Write each of the roots in standard form. (Round all numerical values to four decimal places.) Po 24- (c) Represent each of the roots graphically. Imaginary axis 5r Imaginary...
Let Z! = 3H4, Z2-5-2, Z,--3-12, Z4--10-j6, and Z5--6-3. 1. Calculate Z1 + Z2 in rectangular form. 2. Calculate Z1 - Z2 in rectangular form. 3. Calculate Z3 + Z4 in polar form. 4. Calculate Za - Z5 in polar form. 5. Calculate Z1Z2-Z3 in rectangular form. 6. Find ZsZ7 in polar form. 7. Find Z7Zs in rectangular form. 8. Find ZsZs+Z7 in rectangular form Reduce the following to rectangular form. 10. Z1/Z2
detailed solution for this one ????? 11. (a) Gi) If w=z+z-' prove that (i) z2 + z 2 = w2 -2 ; 24 +2° + z²+z+1 = z2 (W2 + w+1) = (z? +[1+V5]+1)(22 +[1–V5]+1). (b) Show that the roots of 24 +2+z2+z+1=0 are the four non-real roots of z' =1. (c) Deduce that cos 72° = +(15 – 1) and cos 36° = (15+1).
1. Let Z = (Z1, Z2, Z3) be a vector with i.i.d. N(0, 1) components. Let r be a constant with 0 < r < 1. Define X1 = √ rZ1 + √ 1 − rZ2 and X2 = √ rZ1 + √ 1 − rZ3. (a) Give the distribution of X1 and the distribution of X2. Find Cov(X1, X2). (b) Give the matrix A so that the vector X = (X1, X2) is a transform X = AZ. Give...