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There are two values of a which makes the determinant ∆=1-252a-1042a equal to 86. The sum of these two values is(a) 4(b) 5(c) −4(d) 9 |
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Answer» There are two values of a which makes the determinant equal to 86. The sum of these two values is (a) 4 (b) 5 (c) −4 (d) 9 |
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