21. What is wrong with the following expressions? How C = Ả B, (b) correct them? (a) can you C = A B , (c) C = A × B , (d) C = A B , (e) C+2 Ã = B , A B = Ả x B, (f) С -Ах В , (g) C = 2 Ả · B, (i) = A/B , and (j) C = Ã IB |

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

A:

Q: What is the correct answer 4 isn’t right

A: Follow the procedure given below.

Q: 1 Evaluate dz . 2=4.0 (z – 2.0)° (z² + 25)

A:

Q: 1.  When 2 variables are related, what does it mean to say that one is the independent variable and…

A: 1. When two variables are related, one is regarded as the independent and the other is the…

Q: Show that 1 1 1 x2 y? z2 (y² – a²)(z² – a²)(z²? – y²) - - ,4

A:

Q: 5- If 2 - 3 3 -1 = | In y 1 5e? -5 -2 + 5 2 4 3 1 5 8 Then, what is the value of x+y+z=?

A: 5)

Q: 1 If h(x) = 5 + x and k(x) = which expression is equivalent to (k h)(x)?

A: Given : h(x)=5+x   and k(x)=1x we have to find (k∘h)(x)

Q: 6. Evaluate In (x - In (r-...))dr in terms of some new variable t (do not simplify).

A: Given :- ∫lnx-lnx-...dx To find the given integral in terms of some new variables t

Q: 5. Evaluate: 4-y2 (4-x²-y² y dzdxdy -2 4-y2 Jo 2.

A:

Q: ween z= 1.42 and z= 2.17

A: The required area between the z= 1.42 and z= 2.17 can be found by using the standard normal table.…

Q: 15- (x + 5)lnxdx =? a) (-21/4) - 12In4 b)O (21/4) - 12ln2 (23/4) - 12ln4 d) O (-23/4) + 12ln2 e)…

A:

Q: Evaluate the AlgebraiC 4k - 5 k = 4 5m + 2n m 4 n=3 5 x m m= 2 5k +6 k=4 16 - - 36 b = 5 : 26 : 14.…

A:

Q: 8.) What is the value of (- (-- ) = (-$)2 1 ÷ (- 4 A. - 1. 16 В. - 3 7 3 С. D. 15 16 5

A: Given: -14-12÷-47          taking "-" common in  -14-12 we get -14+12 Then  -14-12÷-47=-14+12÷-47…

Q: AY 10- 8- 6- 4. 2- 0- 10 12 14 -2- F -4-

A:

Q: 5. Describe the end behavior of P(x)=-6x-102x0 +3,297 a) as x→0, y00 and as x -o, y -o Opposite end…

A:

Q: Determine whether the statement makes sense or does not make sense, and explain your reasoning. The…

A:

Q: 7. 4r+ 8y +5: =5 6r+ 5y +2: = 3 3r+ 2y+3: =3 8. 2r+3y - 5z = 30 Sr+ 7y - 12: = 71 -llr- 15y + 26:…

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Q: x(n) = (0.8)" (-n-1) 1-(00) O 2 O otherwise -1 1-(00) 1-(08) +1 0 4JA O 3 JA

A: Topic:- z transform

Q: 0 = -10 +4z 10 = 4z 二D

A: Que :What go in the parentheses

Q: 4 + 5z when z = 12 8r 10 9. 15 when r = 27 II - 8

A: We are solving the first three questions and for the next question post the question again and also…

Q: 3) 3R2 + R1 R1 > 4 5 1 -1 2 -7 ,о1: iotion or

A: Given the matrix

Q: 7z° Vz7 + 12 da =. (2" – 12)3 +C O 2 (z' + 12) +C O (z7 + 12) + C O 2 (z² + 12) +C (z² + 12) +C 2

A: For the given Intergration .

Q: How Find 7.J {()= 2(-1)* u(k-1) に、 Ans: 2Z

A: This question is related to Z-transform , We will solve it using given information.

Q: Dina knows that 3 1/8.  She concludes that it must also follow that 0.3 > 0.8. How do you help her…

A: Dina knows that 3<8 Now we try to divide both 3 and 8 into 10 parts.

Q: (;-3) (4-3) 17т 1 - T/2 TT/2 IT 3T2 2TT 5TT/2 3TT 7T/2 4TT 9TT/2 -1 -2 -3 -4 25 -6

A:

Q: 2. [ID # ending in 4 or 7] 2 av Determine (+) ax if v csch y = e*x² . дх ду ду

A:

Q: 1 Evaluate dz . +=11.0 (z – 9.0) (2 + 144)?

A:

Q: 8- The simple expression of the 7 bs ca 3 a³ 7 bs c A. B. 3 as 21 a³ b³ c 3a³b²c² C. is 7 b5 c 3 a5…

A:

Q: 1 Evaluate Iz|= 12.0 |z| = 12.0 dz (z – 10.0)³(z² + 169)2

A: Introduction: When we study complex integration, Cauchy's integral theorem and Cauchy's integral…

Q: List the intercept and test for symmetry.

A: Definition used -                x-intercept - x-intercept can be found by substituting y =0 and…

Q: Which is equivalent to 50 - 10 - 15? A- 50 - (-10) + (-15) B- 50 + (-10) - (-15) C- 50 + (-10) +…

A: We have to check

Q: 11| Q1) If A--2 -1,B 3 3 4 -5 -1 -1 13 -1 Find (–1 x A) + (B + C)

A:

Q: Q2. Itz--2-21, then z- b. -(2") -(2") d.-(2")

A:

Q: 052-8 -4 -1 -7 -5 [E = 3 7 8-7 [A] = -9 5 1 -3 %3D -3 -9 6 4 4 -8 2 9

A:

Q: 27 If x = - then x-2/3 4' (?) %D

A: Given  x = -274 We have to find  x-2/3.

Q: 3. Find the rank of 0 2 4 1 21 6 6 6 2 - -m0 + O

A:

Q: 1 Evaluate dz =6.0 (z- 4.0) (2 + 49)?

A: Integration of complex valued function

Q: 21, Referring to Example 50.9, show that G(Q&2, i/3)/Q(i 3) ~ (Za, +).

A:

Q: 1 Evaluate dz . |2l=12.0 (z – 10.0)°(2² + 169)²

A:

Q: The expression 3 10 +1; - 20 - (-). where U and W are integers, has a value of 6 20 Which THREE…

A: Please refer the attached image for complete solution.

Q: 13. If the expression z 10. Vz33 is equivalent to z', what must be the value of r? Enter your answer…

A: Explanation of the answer is as follows

Q: -3 4 (a) o 5 8 -5 (b) 0 4 -9 3 1. 7 -2 0 -8 -3 6 (c) 3 9. -3 7. (d) - - - r o0-

A: forming the linear equations from the matrix we have  x-3y+4z=7y+2z=2z=5 substituting the value of z…

Q: 9) How are r and r^2 interpreted?

A: It is required to explain how r and r-square are interpreted

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

A:

Q: -5- 5 10 X2 N Y2 9. 2 3 9 3 2 9. 2

A:

Q: 27 1 2-r2 4. Evaluate: r dz dr de Jo

A: Solution

Q: 8 JA 4 2 E 2. -2+ -8 -6. -4 -2 6. 8 D -4+ -6+ 18. Which of the following is EF? 4.

A: Here, Coordinates of E=(0,2) Coordinates of F =(7,-5)

Q: For number 42 is my answer negative  y equals seven or is it positive Y equals -7 also on # 32 is my…

A: Simplify the equation to solve for c

Q: 4 Find the 2nd partiol deriratives of 3x*y+y-4x+7 2

A: According to question, Let fx, y = 3x2y + y3 - 4x + 7

Q: |-5 - Q1) If A=|-2 -1,B=| 3 4 ,C 4 11 7 -1 -1| = -6 9 3 13 9 Find (–1 x A) +(B + C)

A: