Find Cov(X, Y)

Q: Integrate (2sinx+3cosx)2

A: Integrate (2sinx+3cosx)2

Q: 1. = (xy, y,z²+y) , f(x,y,z) = xy . Find Curl(F) 2. Div curl(F) 3,. Div (fF) 4. Divgrad(f)

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Q: Find cot β if csc β= -(3 √5)/5 and sec β=-3/2 A) (√5)/2 B) (9 √5)/10 C) (5 √5)/2 D) (2 √5)/5

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Q: If z = f(u, v), u = g(r, s), v = h(r, t), r = j(s, t), and s= k(t) then dz dž=fu(u, v) [g- (r, s)[j.…

A: Given that we need to check that the statement for the derivative as given below is correct or not.…

Q: Find u · (v x w). (4, 4, 4) (4, 6, 0) w = (0, 0, 9) u = V =

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Q: Cov(x1,x2) = Cov(x1,x1)

A: Here covariance of any variable denote the relationship between variable

Q: Find the number of terms in g(u, v) and u(r,s), v(r,s). 718 where z =

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Q: (3, 4, 3) Let v = Calculate: vxi=( vxj=( v x k = ( A F ->

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Q: Find (x, y, z). (Let P = (7, 7, 0) and the Midpoint = (0, 5, 5).) (х, у, 2) %3 Midpoint (х, у, 2) P

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Q: af Find and ду f(x, y) = y +1 x+y

A: Explanation of the solution is given below....

Q: Assume that u- v = 8, ||u|| = 1, and ||v|| = 10. What is the value of lu- (9u – 8v)?

A: To get the values, first simplify the expression in such a way that you can use the given values.…

Q: \+etari), find f.. S, and f.- xyz 3. If f(x,y,z)= hn 2

A: We have to find fx , fy , fz.

Q: дz State the multi-variable chain rule for du z=z(t, s), t=t(u, v, w), s=s(u, v, w) if

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Q: Sow that 2 x² + y² + z² - c²t² is Lorentz invariant.

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Q: Q/ Let X be the r.v such that E (X) = 2, E(X²)= 2a , E((2+ aX)?) = 2a3 Find the value of a . إضافة…

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Q: L.independence and correlation : a) By definition show that V(X+Y)=V(X)+V(Y)+2 COV(X,Y) where…

A: Our aim is to show that  V(X+Y)=V(X)+V(Y)+2Cov(X,Y)

Q: Seven office mates, three women (Fran, Gladys and Helen) and four men (John, Karl, Leonard and…

A: Let's analyze the restrictions given: i. Fran only eats at a restaurant on Wednesday.  ii. Gladys…

Q: The following is a joint probability mass function. 4. 3. 4. 5. 6. y fxy(x, y) 1/8 1/4 1/2 1/8…

A: For the given data set Find COV (X,Y ) =?

Q: af Let f(x, y) = x³y + 8. Compute (1, 2) and -(1, 2). ax ду

A: Given: fx,y=x3y+8

Q: Compute the Jacobian for the substitutions x = ρsinφcosϴ,  y = ρsinφsinϴ,  z = ρcosϴ.

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Q: vektor u = (1,0,0) and v = (0,12,0) find u x v and ||u x v||

A: vektor u = (1,0,0) and v = (0,12,0) find u x v and ||u x v||

Q: Find a and b such that v-au bw, nhere u-(1, 2) and w- (1. -1) v - (4, 5)

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Q: O show thet fu) =2a +3b is Candin Uous where a, b are Constants.

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