1 - Be X and Y variables independent with o ²X variations and o2²Y, respectively. Being Z=X+ Yand W=X - Y, determine p Z, W.

Q: Suppose Cov(X,Y) = 231. What is Cov(8.6X, 3.4Y)?

A: The objective of this question is to find the covariance of the two variables 8.6X and 3.4Y given…

Q: 3. Evaluate || (3y+ 2x“) dA, where R = {(x, y) E R² : |x|+|y| < 1}. R.

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Q: Two students are named to present their work from a class of 12 students: 5 from electrical…

A: Total = 12 students Electrical = 5 students Telecommunication = 4 students  Computer = 3 students

Q: ∞ Σ n=1 1 n(Inn)2

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: 5. Determine the combination V x (Vf) given that X" + y"

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Q: Approximate V(2.03)² + (0.8)² + (2.1)² using a linear approximation.

A: To approximate: 2.032+0.82+2.12 Consider a function, fx,y,z=x2+y2+z2 The linear approximation of a…

Q: Given 7(t) = , Find:

A: Given r→t=sint, t, cost To find aN0

Q: a²z If z = In(x² + y²)., find ax2 ay?

A: Here we have;  z=ln(x2+y2) ...................(1) partial derivative with respect to x

Q: Use Gramer Rale Find L3,2 -2x + 33-Z-1 3J-2-1 * + 2y-2- 4 -2x -+2 = -3

A: -2x+3y-z=1x+2y-z=4-2x-y+z=-3 Here, D=-2  3 -1  1  2 -1-2 -1    1,  Dx=  1  3 -1  4  2 -1-3 -1    1,…

Q: 1+ sinr Select one: a. -tanx + secx + c b. tanx + secx + c C. 1. +e 1 COSI d. tanx secx + c

A: First do some simplification in expression than integrate.

Q: X」+iyュ-Xz+iy2* =xロ Y」=V,ロ しr%3DV 2.

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Q: 8. Let D be the rectangle given by -1<ys0, 1s x< 3. calculate ff,(x2 + y)dydx

A: 8. We will evaluate the given double integral. Given integral is ∬D(x2+y)dy dx with the limits…

Q: 5. Evaluate J2xdx, a, x' +c b, x+c C. 2x+c

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Q: 2 and y = If x:y:z 4:6:9 and z = 45, then x =

A: Given:          x:y:z=4:6:9     and   z=45To…

Q: 22) S, S** xdydx=? А. 1/3 В. % С. 3/2 D. 5/6

A: The given integral is ∫01∫0x+1x dy dx

Q: 10. Find x and y, given that (x² + y²,4) = (25, x).

A: When the Cartesian product is performed between two sets, as a result, an ordered pair is obtained.…

Q: 4. (x 2)2 + (y + 4)2 = 16 %3D

A: Since you have asked multiple questions in single request so we  will be answering only first…

Q: Find J2z Әх у of z = x3 + 5x² у + 6

A:

Q: 43) True or False. The cylinders are similar.   True False

A: The radius and the height of the smaller cylinder are x and y. The radius and the height of the…

Q: Suppose Cov(X,Y) = 546. What is Cov(0.13X, 0.41Y)?

A: The objective of the question is to find the covariance of 0.13X and 0.41Y given that the covariance…

Q: Suppose Cov(X,Y) = 419. What is Cov(19X, 71Y)?

A: The objective of this question is to find the covariance of the two variables 19X and 71Y given the…

Q: Find f 6x² y dA, where R is a region enclosed by 4x - 3y = 0, 4x − 3y = 1, x + 4y = 0, and x + 4y =…

A:

Q: Let U = x'e . Find dU .

A: The given function is: U=x2eyx Therefore: dU=∂U∂xdx+∂U∂ydy

Q: C Reduction OF Crder and Variation OF Parame te 1. : tan 2x

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Q: 6. y = V2x – 3x . Find y'" -

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Q: Suppose Cov(X,Y) = 65. What is Cov(0.46X, 0.39Y)?

A: The objective of this question is to find the covariance of the two variables 0.46X and 0.39Y given…

Q: Suppose Cov(X,Y) = 821. What is Cov(6X, 4.7Y)?

A: The objective of this question is to find the covariance of the two variables 6X and 4.7Y given the…

Q: Compute u X v.

A: Here given vector u=-123, v=2-4-6 Now it can be written as u=-i+2j+3kv=2i-4j-6j Thus vector uXv is…

Q: Let z = x³ 3xy² + x². Zzz = Zzy Zyz Zyy -

A:

Q: Suppose Cov(X,Y) = 590. What is Cov(1.7X, 3.1Y)?

A: The objective of this question is to find the covariance of the two variables 1.7X and 3.1Y given…

Q: 3ey , find Given z = dz dz au

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Q: 6 Find (x + y) dydx.

A:

Q: xy W=Ze y=8+tZ-St (Hiw) at

A:

Q: If x + y = 2 and x2 - xy - 10 - 2y² = 0, what does x - 2y equal? 00 O 1 02 05 10 DITAUDE ONA…

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Q: Suppose Cov(X,Y) = 725. What is Cov(0.72X, 0.62Y)?

A: The objective of this question is to find the covariance of the two variables 0.72X and 0.62Y given…

Q: 1. AQRS ~ ATUV; find x

A: Given ΔQRS ~ ΔTUV

Q: dx +x3 4cos2y dy

A: dxdy+x=4cos2y

Q: Find Sol of 3za + 10zxy + 3zyy = 0

A: We will find it's solution.

Q: Find y". y = 6+ 8 2 3 O A. 6+ x2 X 24 2)2 16 3 O B. 6 + - X 2 6 + - X x2 48 2 3 16 6 + x3 OC. 6 + x4…

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