what is the sum 1/g+2+3/g+1
A.3/g+3
B.g+3/(g+1)(g+2)
C.4g+7/(g+1)(g+2)
D.2g+3/(g+1)(g+2)
A.3/g+3
B.g+3/(g+1)(g+2)
C.4g+7/(g+1)(g+2)
D.2g+3/(g+1)(g+2)