Let A 1 value of k. [23] A and B = 1 -7 217 k If AB = BA, find the

Q: Find 2B and simplify. -2 0 5 В 3 5 4 4 2B = [00]

A: Solve the following

Q: Date: Ofind all for whech mot hane the given de leition a ER lequalion dees a a-5 7+39 OC-2 Zax-5 1D

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Q: In AABC, DE || BC, find x. x+2 D. 6, E x+1 C 2.

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Q: Find real numbers x and y such that ty 2 2 - i i+3 1 +1

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Q: In the diagram, AB AC. Solve for x. A. B. 55 C.

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Q: Determine the value of the expression √√x² + y² when x = 7 and y = 4. 2 Oa. 56 O b. O C. O d. √26…

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Q: Find the principal values of (4+3j)3+4j.

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Q: KD and ZE are complementary. If mZD = 5x + 3 and mZE = 3x – 1, what is x? 081

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Q: Let 2 A = 3 and B = -3 Show that AB # BA.

A: Given, A=1232,  B=2-1-34

Q: Determine how AABC was translated. ...

A: We can use the graphical translation in order to solve the given problem.

Q: Let à = 2i +4j - k. Find a.

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Q: -3 9 -2 C = 9. -8 А- B = -7 -7 -6 Ex: 42 AB + AC = A

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Q: Let A = [0  2]              [5 -2] Find -4A.  -4A =

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Q: Let a 51 – 2j and b- 21 +j- 7k then what is a. b =? O a. 1 O b. -12 Oc-8 O d. 12 O e. 8

A: a= 5i -2j  b = 2i + 1j -7k

Q: find andy メ <+(1-i³ y = 1 2 125 11+2i 9 = 11

A: Rationalize the denominator of coefficient of x and solve left hand side properly. Finally compare…

Q: Let a = 5j + k and b - 27 + 3 + 2k. Find - 3ā – 36.

A: We can find the given vectors.

Q: - 2x' + x - x- 2 Given A .4 +x which among A, B, C and D is zero? 3 x+1 A. A В. В С. С D. D

A: Option B i.e  B=0.

Q: Find integers x and y so that gcd(3953, 1829)=3953x+1829y. x=2,y=5 x=-12,y=-13 x=-6, y=13 x=6,y=-13…

A: Solution:we have to find integers and so that first we find gcd of (3953,1829)here we see that…

Q: Find x if x is not -6, and 9/12 = 5/(6+x). ______________

A: The equation 912=56+x

Q: Find, if possible, (a) AB and (b) BA.

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Q: The value of fe-3dz is

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Q: L. Given 2+ 2r + br - 19z +15 - cx + dx? + ex +f, find the values of b, c, d, e and f. * + 2r +5 INP…

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Q: 6.1 Calculate the order of the element a) (4,9) in Z18XZ18- b) (7,5) in Z12×Zg. c) (8,6,4) in Z18×…

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Q: Find a pair of integers x and y such that 66x + 48y = gcd(66, 48)

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Q: If - x + 10 s 15 then: Select one: a. xs-5 b. x 2 5 C. X 2 - 5 d. xs 5

A: Given information: An inequality is given as: -x+10≤15 This inequality is solved for the value of x.

Q: If x ∗ y = 2x – 3y + 4xy, find the values of 5 ∗ 2 and 3 * 2/5.

A: The solution is as

Q: If ả = (–4, −8) and ☎ = (–2, −6), find |2.5ả – 36|. O 20 O 2√5 O-6 O 4√2

A:

Q: Find all possible values of y if (-,y) lies on the unit circle. Give your answer in the form of a…

A: Note that the equation of the unit circle is given by x2+y2=1

Q: - 14 2 Let B = Find B. 6 0

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Q: 7 Find B. -14 4 Let B = 40

A: Given: B=-14440

Q: -5 -6 -8 A = -7 B = -9 4 -9 8 Ex: 42 ЗАВ — А

A:

Q: Solve. B P+u for u ju

A: Given : Bj = P+uu

Q: 3 5 - Let C= 2 6 |. Find - 5C. - 1

A: The given matrix is                                C=-3   5  2   6  0-1 We have to find -5C.

Q: 0 b and B: b Let A = Show AB = - BA.

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Q: -3 1 -3 -2 A = B = -1 1 2 -2 Ex: 42 7 AB = АВ -5 2.

A: Given:        A=0-3-2-121        B=-310-12-2    Multiplying Matrix A and B   AB=0-3-2-121·-310-12-2

Q: 5 -1 2 Let D = Find -4D. | 0 -6 7 -4D = %3D

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Q: Evaluate (1+ i)6 + (1 – i)³. Select one: Oa. -2 – 10i O b. 2- 10i OC. - 2+ 10i O d. 2+ 10i

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Q: Find BA. A= BA= 0 -:] 7 -1 -3 0 -3 -5 -4

A: Finding the product of matrices.