For which values of k the system 21 + 2x2 + kaz +3x4 k a1 + 2x2 + kr3 + 3r4 = 0 has infinitely many solutions?

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Q: Find the solution of the following system 21 + 2r2 + *3 + 2r4 = 0 2x1 + 4r2 + r3 + 3r4 = 0. 3ri +…

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A: Given 8X+5y=2           2X-4y=-10 Then  ∆=852-4=-32-10=-32-10=-42 ∆X=25-10-4=-8-(-50)=-8+50=42

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Q: 9. Consider the matrix -1 3 A = -4 2 k 4 -2 6. (a) If A is the augmented matrix of a system of…

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Q: 4x-4*

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Q: x1-2x2+6x3 +3x4 = 2 Solve the lower-triangular system AX = B and find det(A). %3D 5x1. = -10 X1 +3x2…

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Q: -3 +3x3 -8 6x1 -5x2 +9x3 —12з 14 2x1

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Q: Q2/ Find the value of B using 2X₁ + 3X₂ X3 = 4, 3X -

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Q: Use substitution to find the general solution of the system x₁ = 3x₁ + 7x2, x2 = 3x1 - 1x2.

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