Let Q(x) = 7x} +x} +7x} – 8x1x2 – 4x1x3 – 8x2x3. Find a unit vector x in R3 at which Q(x) is maximized, subject to xTx = 1. [Hint: The eigenvalues of the matrix of the quadratic form Q are 9 and -3] %3D

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A: u v lnv u lnv u^2 (lnv)^2   0 1.95 0.667829 0 0 0.445996   1 1.28 0.24686 0.24686 1 0.06094…

Q: Consider the quadratic form ƒ(x1, x2, x3) = x² + x² + 5x² + 2ax1x2 − 2x1x3 + 4x2x3 = x¹Qx

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Q: Let Q(x) = 143x² – 34x2 – 34x² – 36x1x2 – 36x1x3 — 72x2x3. Find a unit vector x in R3 whose first…

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Q: (c) Consider the quadratic form f(x1, x2, x3) = 3(a₁x₁ + a2x2 + a3x3)² = 4(b₁x₁ + b₂x2 + b3x3)². (i)…

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A: Step 1:Step 2:Step 3:Step 4:

Q: Let Q(x) = 35x²7x27x3 + 18x1x2 + 18x1x3 − 18x2x3. Find a unit vector x in R³ whose first entry is…

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Q: Give the General Solution:  (d/dt)(vector(x)) = matrix(-2,1,0,-2)vector(x)

A: The given system is as follows. ddtX=-210-2X Find the eigenvalues of the coefficient matrix as…