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Let f(x) = ( x-4) (x -5) ( x- 6 ) ( x- ...

Let f(x) = ( x-4) (x -5) ( x- 6 ) ( x- 7 ) then

A

f (x) = 0 has four roots

B

three roots of f(x) = 0 lie in (4,5) U ( 5,6) U ( 6,7)

C

the equation f(x) = 0 has only one root.

D

three roots of f(x) = 0 lie in (3,4) U ( 4,5) U ( 5,6)

Text Solution

Verified by Experts

The correct Answer is:
B
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