MBA
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If (a1, a2, a3, a4, a5) is a permutation of (2, 5, −4, −9, 6), then the equation, a1x4 + a2x3 + a3x2 + a4x + a5 = 0 has 1) no real root 2) atleast 2 real roots 3) four real roots 4) none of these
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