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If there are two values of a which makes determinant, Δ=∣∣∣∣1−252a−1042a∣∣∣∣=86, then the sum of these numbers is (a) 4 (b) 5 (c) - 4 (d) 9 |
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Answer» If there are two values of a which makes determinant, Δ=∣∣ (a) 4 |
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