1

Determine if the system has a nontrivial solution. Try to use as few row operations as...

Question

Determine if the system has a nontrivial solution. Try to use as few row operations as...

Determine if the system has a nontrivial solution. Try to use as few row operations as possible 4x1-6x2 + 13x3 = 0 -4x1-2x2-7x3 = 0 8x1 4x2+14x30 Choose the correct answer below. O A. O B. O C. The system has a nontrivial solution. It is impossible to determine. The system has only a trivial solution.

Determine if the system has a nontrivial solution. Try to use as few row operations as possible 4x1-6x2 + 13x3 = 0 -4x1-2x2-7x3 = 0 8x1 4x2+14x30 Choose the correct answer below. O A. O B. O C. The system has a nontrivial solution. It is impossible to determine. The system has only a trivial solution.

Answers

system is

4 -2 -7r20

augmented matrix is

4 -6 13
-4 -2 -7
8 4 14

convert into Reduced Row Eschelon Form...

Divide row1 by 4

1 -3/2 13/4
-4 -2 -7
8 4 14


Add (4 * row1) to row2

1 -3/2 13/4
0 -8 6
8 4 14


Add (-8 * row1) to row3

1 -3/2 13/4
0 -8 6
0 16 -12


Divide row2 by -8

1 -3/2 13/4
0 1 -3/4
0 16 -12


Add (-16 * row2) to row3

1 -3/2 13/4
0 1 -3/4
0 0 0


Add (3/2 * row2) to row1

1 0 17/8
0 1 -3/4
0 0 0

reduced system is

\begin{pmatrix}1&0&\frac{17}{8}\\ 0&1&-\frac{3}{4}\\ 0&0&0\end{pmatrix}\begin{pmatrix}x_1\\ x_2\\ x_3\end{pmatrix}=0

x_1+\frac{17}{8}x_3=0.........{\color{Red} x_1=-\frac{17}{8}x_3}

x_2-\frac{3}{4}x_3=0.........{\color{Red} x_2=\frac{3}{4}x_3}

{\color{Red} x_3=x_3}.................free variable

non trivial solution is

{\color{Red} \begin{pmatrix}x_1\\ x_2\\ x_3\end{pmatrix}=\begin{pmatrix}-\frac{17}{8}\\ \frac{3}{4}\\ 1\end{pmatrix}x_3}


Similar Solved Questions

1 answers
The following information is available for Lock-Tite Company, which produces special-order security products and uses a...
The following information is available for Lock-Tite Company, which produces special-order security products and uses a job order costing system. April 30 May 31 Inventories Raw materials $ 32,000 $ 38,000 Work in process 10,000 20,700 Finished goods 69,000 33,900 ...
1 answers
5. Students arrive at a cafeteria according to a Poisson process at a rate of 20...
5. Students arrive at a cafeteria according to a Poisson process at a rate of 20 students per hour. With probability of 0.8, a student will dine in (rather than making a to go order) (a) What is the expected number of students to arrive at a cafeteria in 1 hour? (b) What is the expected number of st...
1 answers
Use the table to express the following Babylonian numeral as a Hindu-Arabic numeral. < Babylonian numerals...
Use the table to express the following Babylonian numeral as a Hindu-Arabic numeral. < Babylonian numerals Hindu-Arabic numerals V 1 10 VV <<V VV VV <<v v v=0...
1 answers
Daosta Inc. uses the FIFO method in its process costing system. The following data concern the...
Daosta Inc. uses the FIFO method in its process costing system. The following data concern the operations of the company's first processing department for a recent month. Work in process, beginning: Units in process 900 Percent complete with respect to materials 40 ...
1 answers
Summarize your understanding of the Chemical Basis of Life. How chemistry not only makes the elements...
Summarize your understanding of the Chemical Basis of Life. How chemistry not only makes the elements of the body’s structures but at the same time support their functions...
1 answers
Given that Fs = 1000N. Write Fein vector form. (numbers to be rounded off to three...
Given that Fs = 1000N. Write Fein vector form. (numbers to be rounded off to three significant digits ) А 6 m F FC 2 m В. 3 m 3 m 2 m y...
1 answers
4. In Uganda only 9% of the population has access to electricity. Suppose we randomly sample...
4. In Uganda only 9% of the population has access to electricity. Suppose we randomly sample 20 people in Uganda. Let X be the number of people in our sample who have access to electricity. (a) What distribution will X have? (Hint: X only takes on the values 0, 1, ... 19, 20, so it can't be a co...
1 answers
Someone threw a fish into your pool and it miraculously survived not only the shock of...
someone threw a fish into your pool and it miraculously survived not only the shock of being thrown but apparently this ugly fish can breath your chlorinated pool water. you see the fish by sunlight that reflects off the fish and refracts at the water-air interface. if the light from the fish to you...
1 answers
Q1. Generating primary demand is the major objective in which stage of the product life cycle?...
Q1. Generating primary demand is the major objective in which stage of the product life cycle? A. Decline B. Mature C. Growth D. Introduction Q2. True or False? Loyalty rather than satisfaction is the key end state for marketers and organizations to achieve with customers. Tr...
1 answers
What is #f(x) = int xe^x-x^2 dx# if #f(-1) = 1 #?
What is #f(x) = int xe^x-x^2 dx# if #f(-1) = 1 #?...
1 answers
A) John, William and Fred run a construction company as a general partnership business (Shares: John...
a) John, William and Fred run a construction company as a general partnership business (Shares: John 20%, William 35%, and Fred 45%). The company had a gross profit of $375,000 last year. If they distribute $250000 among themselves, and leave the rest of the profitin the business, would it be advant...
1 answers
Please solve using Kirchhoffs rules to determine the voltage and current through each resistor. 4ΚΩ V2...
Please solve using Kirchhoffs rules to determine the voltage and current through each resistor. 4ΚΩ V2 6ον 80ν ΟΙ R2 >3kΩ ΜΜΜ 2kΩ....
1 answers
TRANSACTION LIST Comparative statements of retained earnings for Renn-Dever Corporation were reported in its 2018 annual report as follows. RENN-DEVER CORPORATION Statements of Retained Earnings For...
TRANSACTION LIST Comparative statements of retained earnings for Renn-Dever Corporation were reported in its 2018 annual report as follows. RENN-DEVER CORPORATION Statements of Retained Earnings For the Years Ended December 31 2817 S 6,825,452 5,568,552 5,724,552 2818 2816 Balance at beginning of y...
1 answers
XERCISE 8.2 ties one end of a strong rope 8.00 m long to the bumper of...
XERCISE 8.2 ties one end of a strong rope 8.00 m long to the bumper of his truck, 0 m from the ground, and the other end to a vertical tree trunk at a height A man 0.50 of 3.00 m. He uses the truck to create a tension of 8.00 102 N in the rope. Compute the magnitude of the torque on the tree due to ...
1 answers
Do you think there are problems with any of the HIPAA Privacy rule's exceptions to the authorization requirement? Do the...
Do you think there are problems with any of the HIPAA Privacy rule's exceptions to the authorization requirement? Do the exceptions minimize patient privacy? Are there too many exceptions? Are there other exceptions that you would include if you were asked to become involved in revising the law?...

-- 0.059014--