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If 0 lt a lt b lt c and the roots alpha...

If `0 lt a lt b lt c and ` the roots `alpha, beta` of the equation `ax ^(2)+bx+c=0` are imaginary, then

A

`|alpha | =|beta|`

B

` |alpha | gt 1`

C

` |alpha | lt 1`

D

`|alpha |=1`

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The correct Answer is:
A, B
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VK JAISWAL-QUADRATIC EQUATIONS -EXERCISE (ONE OR MORE THAN ONE ANSWER IS/ARE CORRECT)
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  4. If satisfies |x-1| + |x-2|+|x-3|gt6, then :

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  12. If alpha and beta are the roots of the equation ax ^(3) + bx + c=0,a,b...

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  13. The equation cos ^(2) x - sin x+lamda = 0, x in (0, pi//2) has roots t...

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  14. If the equation ln (x^(2) +5x ) -ln (x+a +3)=0 has exactly one solutio...

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  15. The number of non-negative integral ordered pair (s) (x,y) for which ...

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  16. If a lt 0, then the value of x satisfying x ^(2)-2a|x-a| -3a ^(2)=0 i...

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  17. If 0 lt a lt b lt c and the roots alpha, beta of the equation ax ^(2)...

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  18. Solve : | x - 1| + |x - 2| + | x - 3 | gt 6

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  19. The value of 'k' for which roots of the equation 4x^2-2x+k=0 are comp...

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  20. Let alpha , beta, gamma, delta are roots of x ^(4) -12x ^(3) +lamda x ...

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