A Show that the function f: R² → R defined by f(x₁, x₂) = x² + 2x² + 3x₁x₂ + 4x₁ + 5x₂ + 6 is a vector quadratic function. HINT: Start by saying how 'vector quadratic function' is defined.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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Show that the function f: R² → R defined by f(x₁, x₂) = x² +
2x² + 3x₁x₂ + 4x₁ + 5x₂ + 6 is a vector quadratic function. HINT: Start by
saying how 'vector quadratic function' is defined.
Transcribed Image Text:Show that the function f: R² → R defined by f(x₁, x₂) = x² + 2x² + 3x₁x₂ + 4x₁ + 5x₂ + 6 is a vector quadratic function. HINT: Start by saying how 'vector quadratic function' is defined.
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