If (y−3) is a factor of m(y)=ay−3, n(y)=by2−3y−9 and o(y)= (13 ) y3−c, then what is the L.C.M of a,b, and c.
If LCM of polynomials (y-3)^a (2y+1)^b (y+13)^7 and (y-3)^4 (2y+1)^9 (y.+13)^c is(y-3)^6 (2y+1)^10(y+13)^7, then the least value of a + b + c is?