log(x + 9) log(x) 1 ---------- - ------ - --- 81 81 9*x
log(x + 9)/81 - log(x)/81 - 1/(9*x)
-9 + x*(-log(x) + log(9 + x)) ----------------------------- 81*x
(-9 + x*(-log(x) + log(9 + x)))/(81*x)
1 log(x) log(9 + x) - --- - ------ + ---------- 9*x 81 81
-1/(9*x) - log(x)/81 + log(9 + x)/81
0.0123456790123457*log(x + 9) - 0.0123456790123457*log(x) - 0.111111111111111/x
0.0123456790123457*log(x + 9) - 0.0123456790123457*log(x) - 0.111111111111111/x
-81 - 9*x*log(x) + 9*x*log(9 + x) --------------------------------- 729*x
(-81 - 9*x*log(x) + 9*x*log(9 + x))/(729*x)
-9 + x*log(9 + x) - x*log(x) ---------------------------- 81*x
(-9 + x*log(9 + x) - x*log(x))/(81*x)
1 log(x) log(9 + x) - --- - ------ + ---------- 9*x 81 81
-1/(9*x) - log(x)/81 + log(9 + x)/81
1 log(x) log(9 + x) - --- - ------ + ---------- 9*x 81 81
-1/(9*x) - log(x)/81 + log(9 + x)/81
1 log(x) log(x + 9) - --- - ------ + ---------- 9*x 81 81
-1/(9*x) - log(x)/81 + log(x + 9)/81
-9 + x*(-log(x) + log(9 + x)) ----------------------------- 81*x
(-9 + x*(-log(x) + log(9 + x)))/(81*x)