2. Perform the following indicated operations : a) (60 + j 80) + (30 – ¡ 40) , b) (12 – ¡ 6) – (40 – ¡ 20) , c) (6 + j 8) (3 - i 4) , d) (16 + 18) ÷ (3 -¡ 4)

Q: Since b =2i ̂-j ̂-3k ̂ and c =i ̂-5j ̂+k ̂, what is the result of ( b . c )?

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Q: x-1 xp= 3 4.2 Using substitution show that 26 3 Vr+1

A: According to the guideline we should have been able to do only one question at a time #4.2

Q: Determine whether y → ** or y → -* as x- * and x- *. y= -7x2 + 7x3 + 6x - 4 O y- * as x- .*; y - .…

A: Given function : y=-7x2+7x3+6x-4 To determine the limit of y we need to substitute the limit of x…

Q: Anthony is trying to calculate 2 x 5/7 . He makes a math drawing as in this figure and concludes…

A: This reasoning completely violates the rules of operations on fractions.

Q: Describe the behavior of the expresion as x → 2+ and as x → 2¯. Enter oo for o and -oo for – o. 2x…

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Q: 4. given that 2px (a) 5px, (b) 2Px+3, (c) 29x, (d) 2/39x (e) 3/29x, 0.955, Px+2 = 0.96, and 39x+2 =…

A:

Q: f A=6i+4j-k and B=7i-j+8k, what is R= A+B? If A=6i+4j-k and B=7i-j+8k, the R=A.B

A: Given, A=6i+4j-kB=7i-j+8k

Q: 3 (16-9r2)7 dr 9. p6

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Q: What is AA-. wbetce 2 2 1 2 2 2 1 1 A = 2

A: To Determine: find AA-1 Given: we have a matrix A=122212221 Explanation: we have a matrix…

Q: Compute AB, where A AT B = = 24 09 4 -3 -1 and B = 76 (1 %). 6 4

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Q: Determine L™¹ 2s-3D 2 +2s +17

A: Sol

Q: Compute A B, where A = AB= -5 6 -5 0 and B = 6 7 2 9

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Q: 7Vi +13V2 -168

A:

Q: Q4: Answer two only: 4 2 2 1 -2 -1 1 Find AB and AC. (A): If A = 0; 2 3 1 B= 2 -2 -2 and -1 2 1 3 C…

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Q: Bolve * LOB3X + 3inxt é Ars: 1 = De B o83X -3_8in2 18 3x m , 18

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Q: Q4: Answer two only: 4 2 2 1 -1 1 (A): If A = -2 Find AB and AC. 01 0; 2 B = 2 -1 3 -2 -2 and 2 1 3…

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Q: slove 8a'b 41. (а) (b) 2a b 5xy 42. (а) 2a b)-3 (b) a'b

A: 41. (a) We have to solve 8a3b-42a-5b5 Exponent law states that: (i) am×an=am+n (ii) aman=am-n…

Q: Find |12u -3vV|| , given that u and v= (Approximate answer to 2 decimals)

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Q: O PLU of A -2 3 -6 9 1 3 A = 2 3 1 4 1 1 -2 2 -2 which Ronis are switched ?

A: In this we do change the given matrix in echlone form.and find a matrix which has rank 4.

Q: 12. If 2 does not divide xy, then 2 does not divide x and 2 does not divide y.

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Q: (-4a + 3)(-2a - 3) = 8a? + 6a – 9 %3D O True O False

A: We have to find whether the given expression is true or false.…

Q: 4z Which expresslon is equivalent to 3z z2 - 3z + 2 when z + 0, z #1, and z 6 422 3(z 2)? |3- 3(z 2)…

A: The given expression is: Since multiplication is the inverse process of division. That is,

Q: verify that (A + B)C = AC + BC

A: To verify that (A+B) C = AC + BC.

Q: 2.MBC bisects &FBE, MLFBC (10x- , and M&CBE - (4x + 15)", find x. (ox -9)

A: As per our honor code, we are doing only the first question.  Question 2. Given, the line BC bisects…

Q: If 2 2 5 A- and B-1 3 3 -2 find (AB)-!.

A: Consider the given matrix as A-1=3213 and B-1=253-2

Q: 2. If A = 2i + 2j-k and B 3i-6j + 2k, find (i) AB and (ii) AX B.

A:

Q: If the order of A is 4x 3, the order of B is 4 x 5 and the order of C is 7 x 3, then the order of…

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Q: what is the answer to 3a + 11a + 1

A: Adding, 3a and 11a, we get, 14a

Q: Q4: Answer two only: 4 2 2 -2 Find AB and AC. A): If A = 01 0; 1 -1 1. 2 B = 2 -1 3 -2 2 4-1711 -2…

A:

Q: 3 Gan that 212y = 2-2y finel 2y 5.

A: According to our guidelines we can answer only first question and rest can be reposted. I did not…

Q: 13. If mED = (9x - 3)', mBF = (15x-39)', and mZBCF = (11x – 9)", find mED.

A:

Q: find w3, of 8+ 8/3i O2/15° O2/285° O2/105° O2/195°

A: The given problem is to evaluate and simplify the given complex expression and find the value of w3.

Q: Suppose an - 4аn-1 — 5ап-2 — 2ап з аnd a4 -21, a5 = 65, and ag = -165. Find a1, a2, and a3. a2 = az…

A:

Q: 3. If mCB = (5x + 41), mAD = (7x-19), and mzAED = 89, find mAD. %3D B.

A:

Q: Perform the indicated operationsSubtract 7a to the 2nd power+8a-15 from the sum of 14a-5 and 7a to…

A: We are required to subtract 7a^2+8a-15 from sum of 14a-5 and 7a^2-8.First of all, we will find the…

Q: %3D 11. y 12 10- 8- 9- -4 2 3. 이 12 3 4 56x 2.

A: To find the identity 11) 14)

Q: II. Perform the indicated operations. 3x°+6 1. 3y* 4y 8x°+16 х-4 2. y?-3x+2 x²-2x+1 x²+4x+4 12…

A:

Q: What is the mode of 1,1,1,1,2,2,2,3,3, and 4 ?a. 1b. 2c. 3d. 4

A: Given data  1,1,1,1,2,2,2,3,3, 4 The mode of a set  of data is the value in the set that occurs most…

Q: Use substitution method to prove step-by-step that (PAQ)^(P = –(Q^R))^(S = R) = ¬S.

A: We are asked to prove the following using the substitution method, P∧Q∧P⇒~Q∧R∧S⇒R⇒~S We will show…

Q: 8a+4=

A: Given : 8a+4=4+8a

Q: 2. Find A for Ac 3 4 4-3

A:

Q: 1aar = |1a – 1g| AAB ΑΔΒ

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Q: *** V· Vo = + ax2 dy2 az2

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Q: Q4: Answer two only: 2 1 -1 (A): I A=2 -2 Find AB and AC : - 1²/2 3 11 -2 -2 and 2 -- }

A:

Q: 13. Y mED - (9-3)', BF-(15x-39), and MBCF - (11x-9), find mED.

A: Given, ED = 9x - 3 BF = 15x - 39 As  question number 13 asking find mED. This question is based on…

Q: OLogz dz # 0. 2l=3 :Select one True False

A:

Q: how that AC BC, even though A ± B. 0 1 1 0 4 3 В - 1 0 A = C = 0 1 4 3

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Q: If r = -9 ands = -5, what is -6r + s? %3D Submit

A: r=-9  s=-5  We have to find √(-6r+s) ?