Question

0.5
Find the set of values of 'a' for which the equation (x2 + x)2 + a (x2 + x) + 4 = 0 has
6)
All four real and distinct roots.
Two real roots which are distinct.
All four roots are imaginary.
Four real roots in which two are equal.
(v) All four real roots which are equal.
Two real roots which are equal.​

Answer 1

Answer:

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