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प्रश्न
Write the value of k for which the system of equations 3x + ky = 0, 2x – y = 0 has a unique solution.
योग
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उत्तर
For unique solution, we have `(a_1)/(a_2) ≠ (b_1)/(b_2)`.
∴ `3/2 ≠ k/(-1)`
⇒ `k ≠ (-3)/2`
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