4. [7.4 & 7.5] If... a = i +3j - 2k, and b=i-3j-k, and c=2i+j-k, then... a) Determine (ā- 2b) b) Explain why (ā-2b).chas no meaning.

Q: 4. Find mZ4 if m4-x+90 and m28-2x+23. a 157 b. 112 c. 108 d. 64 8 7

A:

Q: (m) For ro = -8, 11 = -7, 12 = -6, 13 = -5, I4 = -4, f(z1)Ar,

A: Given

Q: What expression in terms of n can be used to represent AD in rhombus ABCD? 4n - 3 2n + 5 C

A: Given : ABCD is a rhombus

Q: Calculate (3xy + 4e²) dS, where S is the triangle with vertices (0, 0, 3), (1, 0, 2), and (0, 4, 1).…

A:

Q: Answer parts a and b. a. n(A U B) = 18, n(AB) = 5, and n(B) = 15, find n(A). b. If n(A) = 14, n(B) =…

A: (a)  given data, (i)   n(A∪B)=18(ii)  n(A∩B)=5(iii)  n(B)=15

Q: If (x + iy)i = a + ib , where x, y, a, b e R , evaluate y a elect one: O a. - a? + 2b² O b. -2a? –…

A: given x+iy13=a+ib

Q: If r = 3, s = 4, t = 2, then 3r+ 6s - 2t = 4r + s + 2t Select one: True O False

A:

Q: In R show that 21 b) all × 11² + 20y|l² = 11x + y² ² + 1x-y₁² 2/ er

A:

Q: + 5j and b = 7i - 33. Find: %3D 2. a- 2- 4. 53 56 6. 2a + 3b 8. a + ñ|

A:

Q: 21. Determine 61 +2j -4j + k

A:

Q: 4.) -8n + 4(1 + 5n) %3 -бп — 14

A:

Q: Let B = [-1 1 4 -3] Find -4B

A: Solution

Q: 23. Given v4 = 7i - 3j and v5 = i +4j. Simplify the following. V4 + 4V5 a. (-11, 19) b. (11,-19) c.…

A: We are given that      V4 = 7i - 3j     V5 = i + 4j we need to find    V4 + 4V5 .

Q: Let a=3i-2j, b=-i+4j, r=7i-8j. If r=ka+mb, then k+m=... 1. O -1 2. O 2 3. О 1 4. O 3

A: As per our guidelines we are suppose to solve only first question. Kindly repost the other question…

Q: IEvaluate Ax)-2x+3x-4 A) x-3 B) x-h+/

A:

Q: Multiply: 3y2(2y³ - 4y² + 5y) a. 6y5-12y + 15y³ d. 5y5-y¹ + 8y³ b. 5y6-y4+8y² e. 6y5-y4+ 15y³ c. 6y6…

A: SOLUTION-

Q: Given that 21xx2 + 4 dx = 35/5 - 56, what is 21uvu? %3D 4 du?

A: Given integral and it's value - ∫0121xx2+4 dx = 355-56         ...................(1)We need to find…

Q: 2. Using the fact that (AB)¹ = B-¹A¹, show that (ABC)¹ = C-¹B-¹A-¹.

A:

Q: b) -5 Y 5 4 3 2 + -4 -3 -2 -1 -] -5+ 2 3 4 5 व

A: A graph of the function is given.We have to find the equation of the graph.

Q: -2 За? 11. Simplify 4b2c3 16b c6 a. 9a4 16a* b. 9a c9 16a4 С. 9a c6 9a b c6 d. 16

A:

Q: Find a + b, 2a + 3b, lal, and la - bl. a = i +3j - 4k, b = -3i -j + 6k a+b= 2a + 3b = |a| = |a - b|…

A: Given vectors  a = i + 3j - 4kb = -3i - j + 6k

Q: Calculate (3xy + 4e²) dS, where S is the triangle with vertices (0, 0, 3), (1, 0, 2), and (0, 4, 1).…

A:

Q: Suppose ū=i- j, v = −2i + 4j+3k and w = -5i + 4j. Compute the following values: |u| + |v|=| |-6u|…

A: Since you have posted a multi subparts question according to guidelines I will solve first(1,2,3)…