Question

[i 1 -2] (a) Find det 2 3 5 by expansion along the 2nd row. (1 -1 3 (b) Use Cramers rule to find the value of x in the solut
0 0
Add a comment Improve this question Transcribed image text
Answer #1

+ - 2 3 5 tx + - + - I 3. 51 -[361] 48 [312) -84-1-0 + 15 + 10 = 23 det A=237 det AS x= deta det AX colunin lo 1-21 dat Ax= .

Add a comment
Know the answer?
Add Answer to:
[i 1 -2] (a) Find det 2 3 5 by expansion along the 2nd row. (1...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • Solve the Following 3x3 system of linear equations using Cramer's Rule. Use the expansion by minors...

    Solve the Following 3x3 system of linear equations using Cramer's Rule. Use the expansion by minors method to evaluate the determinants. Find the solution ordered triple and check. Show Work: 3x-2y+z=12 x+3y-2z=-9 2x-4y-3z=-4 [EXPAND ALONG ROW 1] "|" is just me manually making rows to show expansion steps x= |_______| = |________|______|_____|______|_____|= ________=_____= y= |_______| = |________|______|_____|______|_____|= ________=_____= z= |_______| = |________|______|_____|______|_____|= ________=_____= ordered triple: {(__,__)}    Include checks on x,y,z sorry i tried uploading picture of problem but it...

  • 2x y5z 2 5x y 4x y 2z= - Use Cramer's rule to solve the system of equations to the right. If D 0, use another metho...

    2x y5z 2 5x y 4x y 2z= - Use Cramer's rule to solve the system of equations to the right. If D 0, use another method to complete the solution. Z=-4 L 8 Write the fractions using Cramer's Rule in the form of determinants. det det det det det y= Z= X= det 2x y5z 2 5x y 4x y 2z= - Use Cramer's rule to solve the system of equations to the right. If D 0, use another...

  • non-homo 2nd order linear equations 1. Find the general solution for each of the following differential...

    non-homo 2nd order linear equations 1. Find the general solution for each of the following differential equations (10 points each): (a) (b) (e) y" – 2y! - 3y = 3e2x y" — y' – 2y = -2.3 + 4.2? y" + y’ – 67 = 1234 + 12e-2x y" – 2y' – 3y = 3.ce-1 y" + 2y' + y = 2e- (Hint: you'll use Rule 7. at least once) (e 2. Find the solution to the following differential equation...

  • Workout Problems (10 points each) For questions 11-12, consider the following system (x - 5y +...

    Workout Problems (10 points each) For questions 11-12, consider the following system (x - 5y + 3z = 2. 2x - 3y + 5z = 1. 2y + 5z = 6. 11. Find the determinant of the coefficient matrix, det(A). 12. Solve the system by using Cramer's Rule.

  • How to use the previous answer of 1 a) i ii iii to find the eigenvalue...

    How to use the previous answer of 1 a) i ii iii to find the eigenvalue from iv Mock Exam 2019 SEM 1 1. (a) Given the system of linear equations x- 2y +2z= 1, 2x+y+ 5z = 7, 2x-9y3z = -3 i. Write the system in augmented matrix form [A -b) and apply Gaussian elimination to reduce this to row echelon form. ii. Identify the basic and free variables iii. Write down the solution space for this system of...

  • FEL 1120 Linear Systems 2016 PART NO. 1. SOLVE THE FOLLOWING PROBLEMS Problem No. Solve the...

    FEL 1120 Linear Systems 2016 PART NO. 1. SOLVE THE FOLLOWING PROBLEMS Problem No. Solve the following system of linear equations using elementary row operations (do not use matrices when solving it) Show every step when modifying the system to REF 2. Show REF of your system 3. Show all steps to modify the system to 4. Show RREF of your system 5. Write the solution ( y-2v + x + 3y + 2z = 1 -V + 2x +...

  • Struggling with these two. help me please Use Cramer's Rule to solve (if possible) the system...

    Struggling with these two. help me please Use Cramer's Rule to solve (if possible) the system of linear equations. (If not possible, enter IMPOSSIBLE.) 4x - 2y + 32 = -7 2x + 2y + 5z - 13 8x - 5y - 22 = 1 (x, y, z) = ( IMPOSSIBLE *) Need Help? Read It Talk to a Tutor Submit Answer Practice Another Version 12. -14 points LarlinAlg8 3.4.027. My Notes Ask Your Teacher Use Cramer's Rule to solve...

  • Use Gauss-Jordan row reduction to solve the given system of equations. HINT (See Examples 1-6.] (If...

    Use Gauss-Jordan row reduction to solve the given system of equations. HINT (See Examples 1-6.] (If there is no solution, enter NO SOLUTION. If the system is dependent, express your answer in terms of x, where y = y(x) and 2 = 2(x).) x + y - 22 = 4 X - Y - 52 = 0 (X, Y, 2) - ( -91,64, – 31 ) Need Help? Read It Watch It Talk to a Tutor Use technology to solve...

  • Use Cramer's Rule to solve (if possible) the system of linear equations. (If not possible, enter...

    Use Cramer's Rule to solve (if possible) the system of linear equations. (If not possible, enter IMPOSSIBLE.) 4x - 2y + 3z = -11 2x + 2y + 5z = 1 8x - 5y – 2z = 10 (x, y, z) = (I

  • Cramer's Rule: 5. Use Cramer's Rule to find x,y and z for the following system of...

    Cramer's Rule: 5. Use Cramer's Rule to find x,y and z for the following system of equations. X 2 7x + 2y - z= -1 ។ 6x + 5y + z = 16 -5x - 4y + 3z = -5 2 : 2 a. Write the coefficient matrix first for the system above. Call it matrix D. 7 2 5 L-8-4 3 1 14 ] = 0 b. Find the determinant of the coefficient matrix (det(D)).

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT