Find Cov(2X,2Y)

Q: Calculate û x ô if û = ĵ + 2k and û = -i - ĵ + k. %3D

A: Topic = Vector   if u→ =a1i+a2j+a3k and v→ =b1i+b2j+b3kthenu→×v→=ijka1a2a3b1b2b3

Q: Find the residues

A:

Q: INtegrate  sec2(2x+3)

A: Given, ∫sec22x+3 dx   We have to integrate it

Q: 2. y = Vtan x

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Q: 3 and V₂ = Find A.

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Q: prove that 2. catX+c

A: We use that- sin2x + cos2x =1  so that 1-cos2x= sin2x

Q: serves conv 1, then its a

A: Concept:

Q: Show that (u×v)· w = u ·(v×w).

A: As we know that, Multiplication is an Associative Property, i.e. (a x b).c=a.(b x c) and Sometimes…

Q: Solve for a in

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Q: =2x, 0Sx<2 is

A: f(x)=2x, 0≤x≤2

Q: fxVx+ 6dx

A:

Q: There are 5 types to solve linear diff. eq. of first order * True False

A: Given that , Linear differential equation-A linear differential equation is defined by the linear…

Q: pt of y=x3-4x2+x+6 В. -3,—2. and 1

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Q: Use Cramer’s rule to solve x1 + 2x2 + x3 = 5 2x1 + 2x2 + x3 = 6 x1 + 2x2 + 3x3 = 9

A: Given,x1 + 2x2 + x3 = 52x1 + 2x2 + x3 = 6x1 + 2x2 + 3x3 = 9We have to use cramer's rule to solve…

Q: R ABAC - AQSR

A: Given,    1.                     2.

Q: If z1 = -4 + j5, z2 = -3- j2, and z3 = 2 + j3, %3D %3D %3D

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Q: Use Cramer's rule find yhe solution of x1: 2x1+X2-3x3=0 4x1+5x2+X3=8 -2x1-x+4x3=2

A: write the matrix D from the given equations  D=21-3451-2-14 calculate the determinant D…

Q: Find abs. max 8 min f(xeg) = x²-3y² - 2x + 6y | on R: square which vertices Coc0)r (200] (2ィ2),(o/2)

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Q: an + 8an- + 16an-2 = 0 + 16Q, where, a,= -2 and a,= 1 - What is the Yalve of a6 ?

A: the given relation is an+8an-1+16an-2=0 rewrite the relation as an=-8an-1-16an-2 substitute n=2…

Q: Find the values of x and y for which (x + y, 0) = (3,1 - y)

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Q: Compute Cov(X,Y)

A: Solution: From the given information, the joint distribution is

Q: GL (3,2,), the iilan of the mverse 63 is:

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Q: √x³√1-x² 2

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Q: A² Show that w'= -9-7x - 15x² can be written as the Linear combination of U= 2 + x +4x²₁ V = 1 =…

A: Given that W'=-9-7x-15x2. Show that the given equation  can be written as the linear combination of…

Q: find z trans foyms of folleing -an simwn ĭ

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Q: 6. Show that (1) Cou(B1, g) = 0 (2) Cov(3o, B1) %3D

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Q: Find for y =. (Sim %3D

A: y = x2/ e3x

Q: az Use chain rule to find x2 with x = 3rt and y = r Z =

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Q: Find mZV. (2r + 29)° (10x-27) mZV = %3D

A: The Sum of two angles of a parallelogram is 180 degree 10x-27+2x+29=180 Combine the common terms…

Q: Compute ƒx and ƒy for ƒ(x, y) = 2xy.

A: the given function is: fx,y=2xy we have to find the value of fx and fy

Q: Use Cramer's Rule to solve for x2. xi + 2x2 +x3 = 2 3x1 – x2 - 2x3 = 7 X2 +x3 = -1

A: Here we have given one matrix and we have to find the value of x2 by using the Cremer’s rule.   Now…

Q: ). Find 1 |z-j|=2 Z

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Q: The covariance of X1 and Xzis defined by cov(X, X,) .A .B E[(x, -x,)=] .C E[(x, - x,)] .D

A: Option D is correct.

Q: Find 4 of 3xy –- x³ = 5 at (1, 2)

A: Given; 3xy-x3=5 at (1,2)

Q: Eliminale the arbitrany constants 2x 2x Ge?

A: Elimination of arbitrary constants: construct the differential equation

Q: Find x. 2. 7 Mathilits.comn 4.

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Q: Let X~ Binomlal (n, P) Find ECx3) by Central moments.

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Q: x) = (V5x – 1, 2х, X = 1 x> 1

A: A function f(x)f(x) is said to be continuous at x=a if x→alimf(x)=f(a) A function is said to be…

Q: Solve using Cramer's Rule only. 4w + 3x – 5y + z = 6w – 5x + 2y+ 2z -9w + 9x + 6y + 3z = 6 3w + x +…

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Q: 2. Show that (2x + i)(2x– i) = 4x +1 %3D |

A: Prove the equation

Q: 5lim V3+x-J3 8→0

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Q: x2 = 2 In(x +2) %3D

A: The false position method (also known as Regula-Falsi method) uses the formula:…

Q: I3D

A: Given that: y =u and u = x2 + 1 .

Q: Itiple of 2} and B = {multipl %3D isible by 3} and B = {divisib

A: As per the bartleby guidelines for more than three parts only three has to be solved . Please upload…

Q: Use Elimiretion Methal 3x =38-4y 9x= 122-13y %3D %3D |

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Q: What is the zero-product principle?

A: Zero product principle states that if ab=0  then a=0 or b=0 We apply zero product principle while…

Q: Prove the property of cross products: av(btc)=(axb)+ caxc).

A:

Q: Find the DFT of [1, 2, 0].

A: Given that the seqence  x(n)=[1,2.0] To find DFT of x(n)

Q: Use Cramer's rule to solve the simultaneous equations 2x + y = 7 3x – 4y = 5

A: The equations can be expressed as 2x+y-7=03x-4y-5=0

Q: CO7A16 - 79CB16

A: Given,     C07A16-79CB16                      ¯

Sequence and Series

A sequence is defined as a collection of things. Series is defined to sum the things one by one in the sequence.  It was invented by German mathematician Carl Friedrich Gauss.