EASY
Earn 100

If the roots of the equations are two consecutive integers, then equals
(a)
(b)
(c)
(d)

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Important Questions on Quadratic Equations
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MEDIUM
Let be non-zero real numbers. Which of the following statements about the quadratic equation is necessarily true ?
It has at least one negative root.
It has at least one positive root.
Both its roots are real.

HARD

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MEDIUM

HARD

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HARD

HARD

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HARD

HARD

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MEDIUM

MEDIUM

MEDIUM
For how many different values of does the following system have at least two distinct solutions?

HARD

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