1.

Consider the quadratic equation (c – 5) x2 – 2cx + (c – 4) = 0, c ≠ 5. Let S be the set of all integral values of c for which one root of the equation lies in the interval (0, 2) and its other root lies in the interval (2, 3). Then the number of elements in S is:

A. 18
B. 12
C. 10
D. 11
Answer» E.


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