Hi I need some help on this maths question 4 18 26-3118-2618لی2018 - 263-2633-666734j4=0x3 +1x6 + 2x3 =121212Question 4(a) letA = 1= (21)1212and B=₁Calculate the products A •B and B.A₂the determinant det (A)

Answered: Image /qna-images/answer/4ef62f1f-dac4-421e-9477-e6a2b22e4a6e.jpg

Answered: Question 4 a) let T - A = ( 21 ) and B=…

College Algebra (MindTap Course List)

12th Edition

ISBN:9781305652231

Author:R. David Gustafson, Jeff Hughes

Publisher:R. David Gustafson, Jeff Hughes

Chapter6: Linear Systems

Section6.5: Determinants

Problem 80E

See similar textbooks

Similar questions

Find the determinant of the matrix. [4032013501511103]
Solve using Cramer’s rule. 415. Evaluate the determinant by expanding by minors: |322214103|
Explain what it means in terms of an inverse for a matrix to have a 0 determinant.
Evaluate the determinant |324012231| , by expanding by minors along the first row.
Evaluate the determinant |213034343| by expanding by minors.
Compute the determinants in Exercises 7-15 using cofactor expansion along any row or column that seems convenient. 9.
Evaluate the determinant of 2 1 0 *-17 0-1 2 *-1 - 1 0 Ans= 32
2a₂b₁ Let A ab₂+ a₂b₁ ab3 +azb a₁b₂+d₂b₁ 2a₂b₂ a3b₂+ a₂b3 + a2b3 + a3b₂. Expressing 2a3b3 A as the product of two determinants, show that A = 0. Hence, show that if ax + 2hxy + by² + 2gx + 2fy + c = (lx + my + n) h b f (l'x + m'y + n), then h g g f = 0.
2a₁b₁ Let A = ab₂ + a₂b₁ ab₂ + a₂b a₁b₂+ a₂b₁ 2a₂b₂ azb₂ + a₂bz a₁b3 + a₂b₁ a₂b3 + a3b₂. Expressing 2a3b3 A as the product of two determinants, show that A = 0. Hence, show that if ax² + 2hxy + by2 + 2gx + 2fy + c = (x + my + n) la h (l'x + m'y + n'), then h b g f g f = 0. с
2a₁b₁ Let A = ab₂ + a₂b₁ a₁b3 + c3b₁ a₁b₂ + a₂b₁ 2a₂b₂ azb₂ + a₂b3 bab a₂b3 + a3b₂. Expressing 2a3b3 A as the product of two determinants, show that A = 0. Hence, show that if ax² + 2hxy + by2 + 2gx + 2fy + c = (x + my + n) h b f a (l'x + m'y + n'), then h g g f = 0. C
Q4. If the shaded area in the figure shown is 9 square units, find the value of a using determinant, where (a > 0). (2, a) (-2, 1) (-3, 1) (2, -а)

Recommended textbooks for you

College Algebra (MindTap Course List)

Algebra

ISBN:

9781305652231

Author:

R. David Gustafson, Jeff Hughes

Publisher:

Cengage Learning

Algebra for College Students

Algebra

ISBN:

9781285195780

Author:

Jerome E. Kaufmann, Karen L. Schwitters

Publisher:

Cengage Learning

Linear Algebra: A Modern Introduction

Algebra

ISBN:

9781285463247

Author:

David Poole

Publisher:

Cengage Learning

College Algebra (MindTap Course List)

Algebra

ISBN:

9781305652231

Author:

R. David Gustafson, Jeff Hughes

Publisher:

Cengage Learning

Algebra for College Students

Algebra

ISBN:

9781285195780

Author:

Jerome E. Kaufmann, Karen L. Schwitters

Publisher:

Cengage Learning

Linear Algebra: A Modern Introduction

Algebra

ISBN:

9781285463247

Author:

David Poole

Publisher:

Cengage Learning

College Algebra

Algebra

ISBN:

9781938168383

Author:

Jay Abramson

Publisher:

OpenStax

Intermediate Algebra

Algebra

ISBN:

9780998625720

Author:

Lynn Marecek

Publisher:

OpenStax College

Algebra & Trigonometry with Analytic Geometry

Algebra

ISBN:

9781133382119

Author:

Swokowski

Publisher:

Cengage

SEE MORE TEXTBOOKS

Question 4 a) let T - A = ( 21 ) and B= Calculate the products A₁ •B and B.A. and the determinant det