O If fCos,y)=xty-xy%,find Joc-1,y-2. DIf 2=ea>c+ ky oflexx-by), Prove thet baz + ag = 2abz.

Q: 6) n - 3 = V 44 – 4n

A:

Q: dy If y = (5x + 1)(2x +In x), then will be %3D dx (5x + 1) +) + 5(2x+ In x) A. -1 B. (5x+ 1) - 2. +…

A: The given problem is to find the derivative of given function y=(5x+1)(2x-1+ln(x)) , we can use…

Q: If (2x, 3) = (2, 3y). What is the value of x and y? *

A:

Q: 2. / Vy² – 4y + 10 dy

A:

Q: Find the general solution for each of the following DEs i) y"'" + 4y" – 5y = 0

A: Given

Q: Evaluate for r=(3,5) , s=(-6,4) , and t=(6,-1). 2r-(s+t)=

A: Recall the following facts.

Q: t5 dt Vt2+2 9.

A: topic - indefinite integral

Q: 9) If y = 3x +x² - 5 and z = x2 - 12, find 2(y +z).

A:

Q: the smallest possibl product of the two numbers x>= 0 and y<= 0, such that 2x-y=120 is:

A: Let x and y be two numbers such that  x≥0,y≤0, 2x-y=120y=2x-120

Q: 6. + 6x) + (In x - 2)y' = 0

A: Given : yx+6x+(lnx-2)y'=0

Q: Evaluate -5у-5 dy 31. Jv+2y-4

A:

Q: sec 2. 5-Seck secx XP

A: we need to evaluate the integral ∫sec2x5-sec2x dx we know  sec2(x)=tan2(x)+1

Q: Why is s = 2y?

A: Points on the two sides of the parabola are of the form x, y and x, -y. The distance between them is…

Q: Differentiate. Find ele ele ele ele ele AP O AP O for y=x-1 Whatsa AP O 2x³ - 3x² (x −12 - 2x3+3x2…

A:

Q: (5, 2)

A:

Q: 5 G-45 + VE - 2)at

A: We have to find integral of the given function, here we use formula for integrating the polynomials.

Q: 2 D²y+y=secx²

A:

Q: xy2 = 8 at (2,2)

A: Substitute x=2 and y=2 in the given function xy2

Q: If x = 3 and y = 7, then 1/x + 1/y

A: We have to find

Q: dx +x3 4cos2y dy

A: dxdy+x=4cos2y

Q: If A = x²zi + xyj + y²zk and B = yz²i+xzj + x²zk determine the expression grad(A.B) at the point…

A:

Q: Suppose that Var(X) = 869.03, Var(X) = 7850.84, and Cov(X,Y) = 2238.69. What is Var(.67X + .33Y)?

A: GivenVar(X)=869.03Var(Y)=7850.84Cov(X,Y)=2238.69

Q: 11. Evaluate (4t³ + 5)dt

A: let  A=∫(4t3+5)dt∫tndt=tn+1n+1+c

Q: y = x² + x y = x + 5 2

A: y=x2+x y=x+5   a2-b2=(a-b)(a+b)

Q: y' = X 2 h

A: