х -1 2 1 -1 х 2 1 = 0 х 1 |-1 2 -1 2 1

Q: 0 -1 0] If R =|1 2-1, then R-1= 1 1 0

A: Matrix is a mathematical object containing numbers arranged in rows and columns. The order of a…

Q: 1 -1 0 3 Let A = -2 3 -3 -1 1 3 1

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Q: (x – 4) (x + 2) (x – 8) > 0 Section 3.6 O (-00, -8] U [-4,2] O-4, 2] U [8, o0) O-8, -4] U [2, o0)…

A: Given: An inequality x-4x+2x-8≥0 Simply put, the product of 3 linear equations should be positive or…

Q: 5 -5 4 A = 1 -3 -1 7 -5 adj(A) = Use adj(A) to find A-1. A-1 =

A: given matrix is A=5-541-3-137-5find Adj A and A-1

Q: |*| +1, {0, x = 0 1x-1, x >0

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Q: 1 0 0 0 5 10 0 A = 7 -5 1 0 -5 -6 5 1 Then A-1 %3D

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Q: (2+i)(1+3i) – 2+ 4i= 3i O 4+2i O 3+i O 3-i0

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Q: 2 i ^-(²₂4) A = i 2

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Q: 32-20° 20 + -10+24i (6-8i)(4+2i)

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Q: 10 -3 A - 3 0. -12 0. -4 2. D 0. 1 %3D 4. 4日U0 234 O O 0 0

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Q: 1 -2 3 [1 0 2 If A = 2 3 -1 and B=0 1 2 %3D -3 2 1 2 0

A: Given A=1-2323-1-312 and B=102012120To compute AB and BA

Q: Eo(-1)" = 1 + (-1) + 1 + (-1) + --- = (1 – 1) + (1 – 1) + --- = 0 + 0 +.. = 0 ... %3D True False

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Q: 3 – i -2+i 1 a) P = Ye= -2+i b) P = Yes No -i 0

A: Unitary matrice.

Q: ´0 -1) A= |0 1 . 1 2 3 4 1 1 -2 1 and B= 1

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Q: 10 8 6 4 cp 2 근 -4 9 co 8 10 X

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Q: E-o (-1)" = 1 + (-1) + 1+ (-1) + .. = (1 - 1) + (1 - 1) + = 0 + 0 + ... = 0 3D

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Q: z(2 – i) = (z+1)(1+ i)

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Q: 18. y = -x + 2, y = x- 3, x= -1, x = 1

A: *As per our guideline we are allowed to answer only 1 question at a time.Kindly please re-post other…

Q: 11. -36° Positive: Negative: Reference:

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Q: 2- 3i A= 13+2i 5 A-[2 3 - 2i 3 3 2+3i 12 + 3i 5 13-2i O A O B 3 3- 2i 12+ 3i 2+3i] 13-2i 3 3

A: The conjugate of a complex number of the form z=a+ib is equal to and is represented by . If a…

Q: (3 - ) (2 + 3i) 17. 1 + i (1 + ) (1-21) 18. (2 + i) (4 – 3i)

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Q: Eo(-1)" = 1 + (-1) + 1 + (-1) + --- = (1 – 1) + (1 – 1) + --- = 0 + 0 + -- = 0 %3D True False 5.

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Q: (0, 1) 135 (1,0) _(-1,0) T 180° 330° 프 315-O 210 270 (0,-1) ) 쏭 and 폴 ○ 뚱and 좋 ○ 종 and 똥 ) 퐁 and 푸…

A: As we know that  π rad=180°1°=π180°

Q: 7. у" — у' — хе"; У (0) %— 2, у'(0) — 1 Ans. у %3D е" x* — х+ 2

A: We have to find general solution of given differential equation.

Q: i) [1960, 1980] -0.4 v ii) [1970, 1980] -0.22 - iii) [1980, 1990] -0.25 v iv) [1980, 2000] =| -0.215…

A: Average rate of change formula is  f(b)-f(a)b-a For part iv we need to consider the interval 1980 to…

Q: 7 > 2i-1 2. 10 8/-1 3. 5 S2(10)/ i=0 N :WE

A: As per our company guidelines we are supposed to answer only first three sub-parts. Kindly repost…

Q: 2z – iz = 3(3 – 5i) z = -1 - 7i A z = 1– 7i z = 1+ 7i z = -1+ 7i z = 7i E

A: The complex number z=x+iy and the conjugate of the complex number is z=x-iy.

Q: а) 3 1 b) -3[ ]- e) 3.5[ d) ]0.67 e) 1-0.67 f) |0.67|[ ]1-0.67|

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Q: 4 -2 3 1 3 2 15) - 2 1 Ans. -3, 2 ; 5, 0 1 2 2

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Q: السؤال 5 0 صواب 0 خطأ السؤال 6 (2-i)(5+3i) = %3D 7+2i o 3+4i O 14i O 13+iO

A: 5) The given inequality is z1-z2≥z1-z2. Triangle inequality: If z1 and z2 are complex numbers, then…

Q: 16. (4 + 3i)(2- 5i) 17. (7 + 2i)(9 - 6i) 6+ 5i 18. -2i 19. 2 20. 3- i

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Q: 75+4( ((5+1)J-9+2i ) +2(UF-27 +7i

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Q: operation. 1 0 0. E = -6 -9 A = 0 0 0 1 7 -3 -1 -2 -4 Ex: 5 EA=

A: Given that  The matrix E and A To find the EA

Q: لام ( = = 3 e + 2 = 1 * " - 49 + 2 +49 - ax له +2 ه = 4 + 4 + 4 - 2 4 = (0) و ر ۱ = (0) × 1 = (Xo…

A: We'll answer the first question since the exact one wasn't specified. Please submit a new question…

Q: 4. (3 + j2)3+j2 4+7i 5. In 2-3i

A: 4. We know ab=elnab=eblna To find 3+j23+j2 So, a=b=3+j2…

Q: 2 -1 2 2 2 1 Let A : 1 3 -1 -2 1 -2

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Q: Ho: 0 H1: 0

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Q: 1. -5./20 2. (4 + Si )(4 – 5i) 3. (3– 2i)

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Q: 10 3 - 4i O 1.2 - 1.6i O 1.6 + 1.2i O 1.2 + 1.6i O 1.6 - 1.2i

A: 1.2 + 1.6 i

Q: ОА. (х+82 + (у - 9)2 3 9 О В. (х+9)2 + (у -8)2 %3 3 OC. (x-9)2 + (y + 8)2 = 3 O D. (x-8)2 + (y + 9)²…

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Q: 10 -10 -5 1 5 18 x -5 -10

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Q: 6+ 5i 7) 6-4i A) 4 27 B) 13 D)= 8 +-i 26 2 115 1. +

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Q: 1 -2 1 -1 -3 1 3 A = -2 -1 1 -1 3 [ 0 Then rank(A) = 1 3 0 -4

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Q: 50 + (-17) = S0-17 89 - 57 = 89 457) 96 + (-20) = Qb-20 83 – 67 = 33 t(-67 || 76 + (-20) = 76-2 %3D

A: 50+(-17)=50-17=33

Q: 14) -1 + 2cos 0 = -1 5T A) {- + 2nn} TC B) { + an} 5T + 2nn} 3 C) + 2nn, TC D) + 2nn} 2. 3.

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Q: (2-i)(5+31) = 7+2i O 3+4i 0 14i O 13+iO

A: 1. Given, 2-i5+3i To find the value of this expression.

Q: –3–9i -2–91 8. -2+7i 9. (–3+ 2i) (–6 – 8i) 7. 5-8i 10. (–2 – 2i) (–4 3i) (7 + 8i) -

A: According to bartelby guidelines i am supposed to answer only 37.-3-9i5-8ion rationalization we…

Q: 1 3 - 3 what value of x makes 4 2 1 2 =-72 %3D 3 2 - 2 1 2 -1|

A: Consider 13-35421232-22x12-1 = -72(1)2122-2212-1-(3)4123-22x2-1-(3)422322x1-1-(5)42132-2x12 =…

Q: Compute the determinant of

A: We know that determinant of upper (lower) triangular matrix is the product of the diagonal entries.

Q: No 1. -14 12 LA = v = -8 6 -1 No 2. 20 -18 -1 A = v = 12 -10 Yes 3. -4 LA = 8 -11 1

A: