1. Solve for x and y in xy + 8 + j(x²y + y) = 4x + 4 + j(xy² + x)A. 2, 2,B. 2,3C. 3, 22. Determine the principal value of (3 + j4)¹ +²+j2A. 0.42+j0.56C. -0.42-j0.66,B. 0.42+j0.66D. 0.42-j0.663. Using the properties of complex numbers. determine the two square roots of 3-j2A. +1.82+j0.55,C. 1.82 + j0.55B. +1.82±j0.55D. +1.82 + j0.554. Evaluate:BE CALC3-14 3+14+3+j43-j4A. 2.44 +j4/B. 2.44-j4C. -2.44 + j4D. 2.44 +j5Evaluate log; (3 + j4).A. 0.6+j1.02C. -0.6-j1.02B. -0.6+j1.02D. 0.6-j1.02,6.The following three vectors are given; A = 20 +j20, B = 30/120° and C= 10+ j0, find AB/CC. 95/-50°B. 85-75%A. 70/45°D. 75/70"7. If 100+5x/45° = 200/-e. Find x and 8.A. 24. 23.28B. 23.28. 32.3°C. 23.28. 24.3%D. 23, 42.8°8. Determine the principal value of cosh' (j0.5).A. In (1+j5)C. In j5B. In (1± √5),D. In j(1 + √5)25 1=9. In A-2B-C=0. if A=2B-C-0. if A- and B-₁ find C|² -13238-38391C.A.300-3-8-8-33D.B.|3 0-310. Solve for a and b from the given matrix equation below1 223b316A. 42. 36/B. 6. 12C. 6. 185.+ 3+j4D. 3,4D. 48.36

We can find the values of x and y. Note :As per our Guidelines , we can solve first question…

1. Solve for x and y in xy + 8 + j(x2y + y) = 4x + 4 + j(xy² + x) A. 2, 2, B. 2,3 C. 3,2 2. Determine the principal value of (3+j4)¹+j² A. 0.42 +0.56 C. -0.42-j0.66, B. 0.42+j0.66 D. 0.42-j0.66 3. Using the properties of complex numbers, determine the two square roots of 3-j2 A. +1,82+j0.55, C. 1.82±j0.55 B. +1.82±j0.55 D. +1.82 + j0.55 4. Evaluate: ERE CALC 3-14 3+14 + 3+j4 3-j4 A. 2.44 +j4/ C.-2.44+j4 D. 2.44+j5 B. 2.44-j4 5. Evaluate log; (3 + j4). A. 0.6+j1.02 C.-0.6-j1.02 D. 0.6-j1.02, B. -0.6+j1.02 6. The following three vectors are given; A = 20 +j20, B = 30/120° and C= 10+ j0, find AB/C B. 85-75% C. 95/-50° D. 75/70 A. 70/45° 7. If 100+5x45° = 200/-e. Find x and 0. D. 23, 42.8 C. 23.28. 24.3% A. 24. 23.28 B. 23.28. 32.3° 8. C. In j5 Determine the principal value of cosh (j0.5). A. In (1+j5) B. In (1± √5), D. In j(1 + √5) 2 5 9. In A-2B-C-0. if A and B= find C 3 3 4 8 -3 3 C. 4:1 A. 1 0 3 0 -3 1-8 3 D. B. 3 0 10. Solve for a and b from the given matrix equation below 1 2 2 - 3 ²||²| b 3 A. 42.36 B. 6. 12 +3+j4 1 2 8 -3 -8 -3 C. 6. 18 D. 3,4 D. 48.36

1. Solve for x and y in xy + 8 + j(x2y + y) = 4x + 4 + j(xy² + x) A. 2, 2, B. 2,3 C. 3,2 2. Determine the principal value of (3+j4)¹+j² A. 0.42 +0.56 C. -0.42-j0.66, B. 0.42+j0.66 D. 0.42-j0.66 3. Using the properties of complex numbers, determine the two square roots of 3-j2 A. +1,82+j0.55, C. 1.82±j0.55 B. +1.82±j0.55 D. +1.82 + j0.55 4. Evaluate: ERE CALC 3-14 3+14 + 3+j4 3-j4 A. 2.44 +j4/ C.-2.44+j4 D. 2.44+j5 B. 2.44-j4 5. Evaluate log; (3 + j4). A. 0.6+j1.02 C.-0.6-j1.02 D. 0.6-j1.02, B. -0.6+j1.02 6. The following three vectors are given; A = 20 +j20, B = 30/120° and C= 10+ j0, find AB/C B. 85-75% C. 95/-50° D. 75/70 A. 70/45° 7. If 100+5x45° = 200/-e. Find x and 0. D. 23, 42.8 C. 23.28. 24.3% A. 24. 23.28 B. 23.28. 32.3° 8. C. In j5 Determine the principal value of cosh (j0.5). A. In (1+j5) B. In (1± √5), D. In j(1 + √5) 2 5 9. In A-2B-C-0. if A and B= find C 3 3 4 8 -3 3 C. 4:1 A. 1 0 3 0 -3 1-8 3 D. B. 3 0 10. Solve for a and b from the given matrix equation below 1 2 2 - 3 ²||²| b 3 A. 42.36 B. 6. 12 +3+j4 1 2 8 -3 -8 -3 C. 6. 18 D. 3,4 D. 48.36

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter9: Systems Of Equations And Inequalities

Section9.7: The Inverse Of A Matrix

Problem 31E

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