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If alpha=int(0)^(1)(e^(9x+3tan^(-1)x)((1...

If `alpha=int_(0)^(1)(e^(9x+3tan^(-1)x)((12+9x^(2))/(1+x^(2)))dx` where `tan^(-1)x` takes only principal values, then the value of `(log_(e)|1+alpha|-(3pi)/(4))` is-

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