1.

If, (a + 1)x2 + 2(a+1)x + (a – 2) = 0, then, for what parameter of ‘a’ the given equation have real and distinct roots?

A. (-∞, ∞)
B. (-1, ∞)
C. [-1, ∞)
D. (-1, 1)
Answer» C. [-1, ∞)


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