Integrate by first changing the form of the integrand.Integrate
by first changing the form of the integrand by algebraic division.
A. ln(e9x + 1) + C
B. x - 
ln(e9x + 1) + C
C. x - ln(e9x + 1) + C
D. x - e9x ln(e9x + 1) + C
Answer: B
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A. 1
B. 0
C. 
D. 
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