Parallax See Problem 59. 61 Cygni, sometimes called Bessel’s Star (after Friedrich Bessel, who measured the distance from Earth to the star in 1838), is a star in the constellation Cygnus. (a) 61 Cygni is 11.14 light-years from Earth. If 1 light-year is about 5 .9 trillion miles, how many miles is 61 Cygni from Earth? (b) The mean distance from Earth to the Sun is 93,000,000 miles. What is the parallax of 61 Cygni?
Parallax See Problem 59. 61 Cygni, sometimes called Bessel’s Star (after Friedrich Bessel, who measured the distance from Earth to the star in 1838), is a star in the constellation Cygnus. (a) 61 Cygni is 11.14 light-years from Earth. If 1 light-year is about 5 .9 trillion miles, how many miles is 61 Cygni from Earth? (b) The mean distance from Earth to the Sun is 93,000,000 miles. What is the parallax of 61 Cygni?
Solution Summary: The author explains that 61 Cygni is 11.14 light-years from Earth, and is a star in the constellation Cynus.
Parallax See Problem 59. 61 Cygni, sometimes called Bessel’s Star (after Friedrich Bessel, who measured the distance from Earth to the star in 1838), is a star in the constellation Cygnus.
(a) 61 Cygni is
light-years from Earth. If 1 light-year is about
trillion miles, how many miles is 61 Cygni from Earth?
(b) The mean distance from Earth to the Sun is 93,000,000 miles. What is the parallax of 61 Cygni?
Consider the following system of equations, Ax=b :
x+2y+3z - w = 2
2x4z2w = 3
-x+6y+17z7w = 0
-9x-2y+13z7w = -14
a. Find the solution to the system. Write it as a parametric equation. You can use a
computer to do the row reduction.
b. What is a geometric description of the solution? Explain how you know.
c. Write the solution in vector form?
d. What is the solution to the homogeneous system, Ax=0?
2. Find a matrix A with the following qualities
a. A is 3 x 3.
b. The matrix A is not lower triangular and is not upper triangular.
c. At least one value in each row is not a 1, 2,-1, -2, or 0
d. A is invertible.
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Linear Equation | Solving Linear Equations | What is Linear Equation in one variable ?; Author: Najam Academy;https://www.youtube.com/watch?v=tHm3X_Ta_iE;License: Standard YouTube License, CC-BY