A die is rolled twice. Let X₁ be the first number and X2 the second number. Compute Cov(X₁ + 2X2, 2X₁ - X2).

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: Solve for w where u = (0, 1, 1, –1) and v = (3, 0, –1, 2). %3D w + 2v = -4u W =

A:

Q: let v = (1, 3, −2) and w = (2, −1, 4). Compute v × w.

A:

Q: = Let -3 -1 -~--~--~--~--~- , V3 -5 1 , V₂ 2 0 combination of V₁, V2 and V3. 5 -26 , V4 -9 -1 -3…

A:

Q: Integrate 72x+3 dar Select one: OA. 722+3 In 40 OB. 72+3 In 49 OC. 72x+3 In47 OD. 72+3 In50 +C +C +C…

A:

Q: Verify that (AB)T = BTAT.

A:

Q: J1, 1), К(3, 2), L(4, 1) and M(6, 1), N(5, 2), P(2, 1) 3)

A: Below Image has the graph with points plotted on Coordinate Axes.

Q: Let u = , v = , and w = . find uw

A:

Q: (1) Cov(B1, yı) (2) Cov(Bo, Y1) (3) Cov(Bo, j)

A: Let Y = β0+β1X+εi be a linear regression model with the distribution where β0 = Y-β1X¯  and β1 =…

Q: Solve for u. u/2 + 3u/4 = u/8

A:

Q: Evaluate ze -dz, where C is z+ 2 ((+2+2)?

A:

Q: Find the value of ‘v’ in v2 – 2v -15 = 0, if v is a natural number.

A: Given quadratic equation is,

Q: If Cov(Xm, Xn) = mn − (m + n), find Cov(X1 + X2, X3 + X4).

A:

Q: Let U=(-4, 3, 3) and V=(2, 1, 1). Find (2U+V), *. | (then find | (2U+V

A: Find 2U+V and it's magnitude.

Q: CSCSK K-Cot2x

A: Since you have multiple questions, in our policy, i have answering the first  question for you. If…

Q: Suppose u=⟨−4,4,−2⟩ and v=⟨4,−2,3⟩. Then u×v=   v×u=

A:

Q: 1= z In zdz

A: Given, ∫ xlnxdx

Q: Calculate v × w, where v = (−2, 1, 4) and w = (3, 2, 5).

A: Given: v = (−2, 1, 4) and w = (3, 2, 5)

Q: tind the resolvent kernel and Solut of yox) = + by Alternative procedure

A: We have to solve the given integral equation by finding the appropriate kernel function.

Q: tan(z1) 0.9947 + 0.1462i 0.0364 1.0047i

A: The definition of tangent function for complex number is tanz=e2iz-1i(e2iz+1). Use 4-2i for z1 and…

Q: 公キW+メ+2 4 V+ 2W+メ+4+2=5 サキ Wt 2X +yキ V +W +X + y + 27 = 8

A:

Q: Let u = (1, 2, 3), v = (4, 4, -2), and w = (6, -1, -2). Find z, where 2u + v – w + 3z = 0. z =

A:

Q: c. fxV9-xdx

A: To find ∫01x9-xMethod we use substitution method

Q: Express w as a linear combination of u and v. 4 --}-}--[:] W = 6 u 3 2 6 6

A:

Q: cov (A)=0 2. Show that co

A: Show that cov(β^1, u-)=0

Q: Find the resolvent kernel and Solut of ya) = I+5(1-3x+).y(t).d by Alternative procedure

A: Given Integral equation is y(x)=1+∫01(1-3xt)y(t)dt               (1) The general form of integral…