(A)x+16√5−2x−x2+3sin−1(x+1√6)+c(B)x+12√5−2x−x2+6sin−1(x+1√6)+c(C)x+12√5−2x−x2−3sin−1(x+1√6)+c(D)x+12√5−2x−x2+3sin−1(x+1√6)+c