子6)= cosz- Ga82-1., XE Co, 2T].

Q: 14.Let A= 3+2i 0 2 1+i 1-i B-( + ?) and B= Find AB.

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: Find w = a + bi = √z where a and b are real numbers. 13+84i W = ‚ w =

A: Step 1:Step 2:

Q: Find the cofactor of the element a13- -2 -1 0 5 4 2 3 5 O A. 3 О В. 19 ОС. -3 O D. 14 3.

A: Given a square matrix, the cofactor of aij is denoted by Aij=(−1) ^(i+j)M where Mij s the minor of…

Q: for the discrimanat here dont we do (Uxy)^2-(Uxx*Uyy)

A: Please see the below picture for detailed solution.

Q: 7. f(2) = -3, g(2) = 2, f2) = 4, g(2) = -5 a) If h = 0, use the values above to find h) 9(x)

A: 7. f2=-3, g2=2, f'2=4, g'2=-5

Q: 5(u-) du 2. 2

A:

Q: Solve for x: a x 2 + b x- ct = 4tr + a x 2 O A) x = (47tr + ct) / b O B) x = 4tr + 2a x 2 - ct /b O…

A: we have to solve for xax2+bx-ct=4πr+ax2

Q: (cos20+ jsin20)-3(cos50+jsin50)? (cis40) (5e/20)3 Simplify O a. 125(cos1460+ jsin140) O b.…

A:

Q: Si α₁ - Calcule: ية • 14 -4 4 " . وة = 2)a₂ a1 + 3 • α₁ 3)α1 • α₂ 4)ã1 (a2 + a3) 5) (a₁a2) (azã4) H…

A:

Q: 2 a) y = Find y'. 3e (ax-5)4

A: Explanation and solutions is given below.....

Q: If x,y,z are real numbers satisfying the equation 25 (9x* +y° )+9z²-15(5xy+yz+ 3zx )=0 then prove…

A: