a3 and b Let a₁ a2 Determine whether b can be written as a linear combination of a₁, 32, and a3. In other words, determine whether weights X₁, X2, and x3 exist, such that x₁ ₁ + x2 ª2 + x3 a3 = b. Determine the weights X₁, X2, and x3 if possible. Law

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