if a,b,c are in g.p. , then the equation ax2 + bx + c = 0 & dx2+2ex+f=0 have a common root if d/a, e/b, f/c are in
(a) A.P.
(b)G.P.
(c)H.P.
(d)NONE OF THESE
if a,b,c are in g.p. , then the equation ax2 + bx + c = 0 & dx2+2ex+f=0 have a common root if d/a, e/b, f/c are in
(a) A.P.
(b)G.P.
(c)H.P.
(d)NONE OF THESE