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Observe the following statements : Ass...

Observe the following statements :
Asseration (A) : `f(x)=2x^3-9x^2+12x-3` is increasing outside the interval (1,2)
Reason (R ) : `f^1(x)lt0" for "x in (1,2)`
Then which of the following is true

A

Both A and R are true and R is the correct explanation of A

B

Both A and R are true and R is not the correct explanation of A

C

A is true, R is false

D

A is false, R is true

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