[1 2 [1 2 [1 2 01 Q13: If A = 1 1 0 1 4 ol 3 B = 1 1 -1 l2 2 2 and C = 1 1 -1 Show li 1 1 that AB = AC but B C

Q: Determine A-1 if 13 1 A = 1 1 2 234 O A. A-¹ = 2/3 9 -5/3 0 -2/3 1/4 1 -3/4 2/5 OB. A-¹ = O D. A-¹ =…

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Q: |-2 5 3 3- Find A-1 ifA = |-4 3 6 1 ol

A: Note: Since you have asked multiple question, we will solve the first question for you. If you want…

Q: If [1 2 3 A = 3 -1 3] -1 0 2 23 1 of Find 2A - B stion Select one: a. none O b. -153 -5 6 0] O C.…

A: Solve the matrix

Q: 2. K-5InX+3 find dw dr dw

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Q: 1 1 1| 1 1 1 If A =|1 1 1|, then A2018. _A?

A: Here given matrix is  A=111111111

Q: a+b 2 If 5 6 2 find the values of a and b ab 5 8

A: if matrix are equal then crossponding entries will be equal

Q: 2 - If A and X then - 11 5 7 А.Х —

A: From the given problem:   A=-20-115 ; X=-17   Now,   A.X=-20-115.-17

Q: 3+2i Evaluate 4-i

A: The given complex number is 3+2i4-i. The conjugate of the denominator is 4+i.

Q: Given A = -1 0 22]₁ compute 3A

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Q: O Find Adi A if A= [5 2 1. 3. 4 6 3 2 3 5 4 1 hnd Adj A if A=

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Q: [5 6 [1 If A = 3 and B find AB. 4 7 8 1

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Q: Let A= 1 1 Then, ||A||2= -2 Select one: а. 8+45 2 b. 7+/45 C. 10 +45 2 d. 9+45 2.

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Q: A= 1 0 0 0 0 -1 7 3 3 1 2 1 لنا Low 0 1 0 21 1 0 5 -6 001 2 B= 3/2 6 1 -1/2 3 5 -2 2 1 -6 - 4 1 1 0…

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Q: 1. Perform the following operations A+B A - B 2A-B A = 32- -11 [0 2 1] 5, B = 5 4 2 2 1 0 2 4 0 1 2

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Q: Compute det B4 where B = det B4 = 102 2 14 2 3 1 (Simplify your answer.)

A: Given: The matrix .To find .Concepts used:To find the determinant of a square matrix, pick any row…

Q: -1 1 2 A 3 3 4 det A 0 0 -2 0 0 2 4 B = -5 6. 1 5 3 3 det B: -1 0 0 0 3 0 0 C = 2 0 0 4 0 0 0 0 -2…

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Q: 1 3 AT – [1,0, 0]" [0, 1] = 2 4 [3 6 0 2 3 4 4 6 1 2 3 4 4 6 1 2

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Q: -1 -4] [7 111 5 ,B = |2 [4 -8 Find AB, given A -1 7. 3

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Q: 2 1 -5 and B = 4 find A · B fA = 3 1 -2 3 1 f possible.

A: Given: A=213131 and B=-5-54-2

Q: [2 3 4] [1 3 07 If A =1 2 3 and B = | 1 2 1 find AB and BA. 1 1 2 0 0 2

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Q: -1 1 Let A= 1 Then, ||A||2 = -2 Select one: a. 9+V45 2 b. 8+V45 c. 10+V45 2 d. 7+V45

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Q: 1 2 3 1 that R2 = 2R+cS. b. If R = and S= 1 0 01 find a number c such

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Q: 4. Find AB and BA given that [1 -1 4 A 4 -1 3 B = 1 4 -2 1 -1

A: We will find the value of AB and BA in the following step.

Q: Compute: -57 5 + [ 5 0 -1

A: Given data

Q: 9. A + B 11. AB C 3 9-1 [a [a 13 | + | ²₁ 6 T2₁₁ 9-1 3 412 2 L-

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Q: 142 If A = -4 4 30 Then 4A + B = -4 -3 and B and B = 2 4 00 3 3 -2 1 1 1

A: NOTE: Refresh your page if you can't see any equations. . here we have .

Q: [1 2] If A = , then the adj A is 3 7 Select one: O None of the others 7 -2] -3 . 1 7 21 -3 -7 -2 -3…

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Q: [2x + 1 if 2 y+1 the values of x, y is O x=2,y=2 none O x=1 ,y=2 O x=2, y =1

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Q: [0 1 -1 Let B =50 3 , then det (2B) = 13 0

A: Given:

Q: 1 2 1 B. Let A = 2 1 2 1 0 2 Find the following: а. тinor(A)12 b. тiпor(A)32

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Q: 1 0 7 -2 Let 4 = -2 2 and B =| 4 12 6 5 evaluate -2A+B. 9 -2 а. 8 -2 2 14 15 3 b. -8 -2 -14 -15 3 c.…

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Q: 2. Using the identity [1 2 1 [2 0 –1 1 2 -6 5 - -4 3 compute -6 5 [1 1 Hint: 2 -1 I2 1 2 -1

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Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.