Find the best quadratic approximation, Q(x, y) of √9 - 7x + 4y for (x, y) 7x+4y near (0,0), Q(x, y): =

Q: Let (x1, y1) = (7, 2) and (x2, y2) = (1, -1). Find √[(x2 - x1)2 + (y2 -y1)2]. Express the answer in…

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Q: Show that Q(4 - i) = Q(1 + i), where i = √-1.

A: To show that ℚ4-i=ℚ1+i. That is we need to show that ℚ4-i⊆ℚ1+i and ℚ1+i⊆ℚ4-i. Here i=-1 that is…

Q: Find the equation of the quadratic function f that has its vertex at (3, 5) and contains the point…

A: Given: vertex at 3,5 and it contain the point 2,3

Q: Calculate Duf (2₁-4,1) in the direction of 9 = 2₁ +2²₁ +3k for the function f(x, y, z) = x² +…

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Q: Lt² V4-t² dt V(4-x)/(2\x) x(4-x)

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Q: For f(r, v) = + find f(3,4) and state the domain of S(1, y).

A: We are given the two variable function here. To find the value f(3,4) we will simply put x=3 and…

Q: Use the simplex method to minimize the function z=n*x1-x2-2x3 subject to the constraints in the…

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Q: Find dy2 of z = 2x – 5xy² + x² y° %3D -

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Q: Q: (2x+y)(x+y) ах Find -?

A: Given query is to find indicated partial derivative.

Q: Differentiate with respect to x,             y = (2x + 1)(3x + 2)

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Q: 22 (2y + xy² ) = √7 + (y)²

A: The order of a differential equation is defined to be that of the highest order derivative it…

Q: 4 Simplify to approximate the sum of the area using right end points. j=1

A: Answer is here

Q: The altitude on the surface of a certain hill is given by A(x, y) = 100 − 2x² − y² + xy. A goat is…

A: We need to find directions.

Q: Find y if 2x 3 + √9y = 15 and x 3 + √4y = 20 .

A: We need to find y.