∫\(\frac{10 x^{9}+10^{x} \log _{e} 10}{x^{10}+10^{x}}\) dx equals : (1)
A. 10x – x10 + C
B. 10x + x10 + C
C. (10x – x10)-1
D. log (10x + x10) + C
Answer:D
∫\(\frac{10 x^{9}+10^{x} \log _{e} 10}{x^{10}+10^{x}}\) dx equals : (1)
A. 10x – x10 + C B. 10x + x10 + C C. (10x – x10)-1 D. log (10x + x10) + C