ray DB is the bisector of ADO

Q: Let a = - 2ỉ - 4j – k and b = 4j + 2k. Find — ả + b. V

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Q: Evaluate if x=4,8,3,-2 ∑x ∑x+1 ∑(x+1) 3∑x - 4

A: Given that  if x=4,8,3,-2

Q: Let ā= and b = . Find 3a + 3b.

A: Given:a→=-3,-2,3 and b→=-3,5,2We need to find 3a→+3b→.

Q: Wathe. Is 1+1

A: The objective is to find the value for 1+1. Let's take the required value as x. To find the required…

Q: 3 Let A= (MA-|| _23]~B-[2²] and = 6-9 -4 -6 Find - 2A + 2B. - 2A + 2B=

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Q: 4. Swin (w - 2) dw

A: The given integral is: I=∫wlnw-2dw   Apply the integration by parts to solve the above integral.…

Q: Add. -3 + (-7) + 6

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

A: Solution

Q: Assume that y represents a positive real number. What is the conjugate of Vy - 24?

A: y-24

Q: Let ā = and b . Find 3ā + b. -

A: We will simply use vector addition rules to find the answer

Q: where is the rest of the answers

A: Given that Sample size (n)=20 Probability of success (p)=0.68  We have to find probability that…

Q: (x+α) 8x = 2 3

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Q: Construct addition and multiplication tables for Z,.

A: See the solution below.

Q: Find 3A.

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Q: Need help finding for both a and b. Overall confused on this concept.

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Q: 4dx 1. Evaluate x² + 3

A: First I have written the standard formula of integration, just use the formula for the given…

Q: Let ā = (– 2, – 1, 3) and b = (- 5, 1, – 4). Find ā · b.

A: Given that , a→=-2 ,-1 ,3 and b→=-5 ,1 ,-4 a→·b→=?

Q: AB intersects CD at E. If the m AED = 6x - 20 and m ZCEB = 2x + 60, find the ZAEC. %3D

A: AB intersects CD at E. angle AED=6x-20 angle CEB=2X+60

Q: Let A = 0 5 8 - 3A + 2B = -9 Find -3A+2B. and B = -93 92 C...

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Q: 5л 4

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Q: The telephone bills for the past month for four families are $48, $65, $39, and $81. The value of…

A: The given data is appropriate for measures of central tendency.

Q: Simplify. (4y²– 2y-3)+(3y²–5y-4)-(8)²-4y-8)

A: Given :

Q: Are the following  points collinear    -8,12  3,5 and  25,-9

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Q: sinh e Incot3x h- dx St 1+9x²

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Q: The table shows the movement of a stock for 30 randomly selected trading days. "Up" means the stock…

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Q: Find the adjoint of A (1 2 4 A =3 4 5 2 -2 2

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Q: 1. Evaluate: xydydx

A: The given integral

Q: ext dx 8X-X

A: We have to evaluate the ∫dx8x-x2

Q: 36 70

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Q: If possible, write -3 -z- 2r² as a linear combination of 2 +z + x², 2+ 2x + z and 3+ 3x + 2x2.…

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Q: Show that 1 -2 = R³. span 3 1

A: In R^3 if three vectors are linearly independent then they span the whole space R^3.

Q: Question: diagonalize, -1 0-1 0 0 -1 2 1 2

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Q: Find FOUT FOUstth goots -1+9i

A: Step 1 :Find (-1+9i)1/4  = rCosθ+iSinθ1/4(-1+9i) is of the form (a+ib)r =a2+b2 = (-1)2+(9)2 = 1+81 =…

Q: The i-component of +t is Do not leave any space in your expression.

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Q: Whta is 1+1=

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Q: What is an aglebric expression  that  shows that it will always work for any two numbers x and y?

A: An algebraic expression is an expression built up from integer constants, variables, and the…

Q: -7 3 Let A= -4 -3 Find 5A. 5A = %3D

A: We have to find 5A where it is given that: A=-73-4-3 In multiplication by scalar into the matrix we…