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Let f,g:(0,oo)rarr R be two functions de...

Let `f,g:(0,oo)rarr R` be two functions defined by `f(x)=int_(-x)^(x)(|t|-t^(2))e^(-t^(2))dt` and `g(x)=int_(0)^(x^(2))t^(1/2)e^(-t)dt` .Then,the value of `9(f(sqrt(log_(e)9))+g(sqrt(log_(e)9)))` is equal to

A

19

B

6

C

9

D

8

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