If line 2x+7y–1=0 intersect the lines L1 =3x+4y+1=0, L2 =6x+8y–3=0 in A and B respectively, then equation of a line parallel to L1 and L2 and passes through a point P such that AP:PB=2:1 (internally) is (P is on the line 2x+7y–1=0).
a. 9x+12y+3=0
b. 9x+12y–3=0
c. 9x+12y–2=0
d. none of these
