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The non-trival values of (a,b) such that...

The non-trival values of (a,b) such that roots of the equation `x^(2) + ax + b = 0` are equal to a and b are :

A

(2, -1)

B

(1, -2)

C

(3,2)

D

(2,1)

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The correct Answer is:
B
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MODERN PUBLICATION-QUADRATIC EQUATIONS -MULTIPLE CHOICE QUESTIONS (LEVEL-II)
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  6. If b gta, then the equation (x -a)(x - b) - 1 = 0 has :

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  7. Let f (x) = (1 + b)^(2) x^(2) + 2bx + 1 and let m(b) be the minimum ...

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  10. The number of real roots of 3^2x^2-7x+7=9 is (A) 0 (B) 2 (C) 1 (D) 4

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  11. The number of values of k, for which the system of eauations: (k+1)x...

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  15. If (1 - p) is a root of quadratic equation x^(2) + px + (1 - p) = 0 , ...

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  16. If one root of the equation x^(2) + px + q = 0 is square of the other...

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  17. If the roots the quadratic equation x^(2) + px + q = 0 are tan 30^(...

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