The Determinant of a Matrix in Exercises 25-30, find | A − 1 | .Being by finding A − 1 , and then evaluate its determinant. Verify your result by finding | A | and then applying the formula from Theorem 3.8, | A − 1 | = 1 | A | . A = [ 1 0 − 1 3 1 0 3 − 2 2 0 2 − 1 1 − 3 1 2 ]
The Determinant of a Matrix in Exercises 25-30, find | A − 1 | .Being by finding A − 1 , and then evaluate its determinant. Verify your result by finding | A | and then applying the formula from Theorem 3.8, | A − 1 | = 1 | A | . A = [ 1 0 − 1 3 1 0 3 − 2 2 0 2 − 1 1 − 3 1 2 ]
Solution Summary: The author explains how to find the cofactor C_ij for the matrix A.
The Determinant of a Matrix in Exercises 25-30, find
|
A
−
1
|
.Being by finding
A
−
1
, and then evaluate its determinant. Verify your result by finding
|
A
|
and then applying the formula from Theorem 3.8,
|
A
−
1
|
=
1
|
A
|
.
Problem #5
Suppose you flip a two sided fair coin ("heads" or "tails") 8 total times.
a). How many ways result in 6 tails and 2 heads?
b). How many ways result in 2 tails and 6 heads?
c). Compare your answers to part (a) and (b) and explain in a few sentences why the
comparison makes sense.
A local company has a 6 person management team and 20 employees. The company needs to select 3 people from the management team and 7 employees to attend a regional meeting. How many different possibilities are there for the group that can be sent to the regional meeting?
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, algebra and related others by exploring similar questions and additional content below.
HOW TO FIND DETERMINANT OF 2X2 & 3X3 MATRICES?/MATRICES AND DETERMINANTS CLASS XII 12 CBSE; Author: Neha Agrawal Mathematically Inclined;https://www.youtube.com/watch?v=bnaKGsLYJvQ;License: Standard YouTube License, CC-BY