Let f (x) = (x – a) (x – b) (x – c), a < b < c. Then f'(x) = 0 – McqOptions

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1.	Let f (x) = (x – a) (x – b) (x – c), a < b < c. Then f'(x) = 0 has two roots. At which interval does these roots belongs?
A.	Both the roots in (a, b)
B.	At least one root in (a, b) and at least one root in (b, c)
C.	Both the roots in (b, c)
D.	Neither in (a, b) nor in (b, c)
Answer» C.

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