Solution:
are in GP.
Let
and are the roots of the equation ,
then
On solving Eqs. (i) and (ii), we get
If and are roots of the equation and and are roots of the equation and form an increasing GP, then the values of a and b are respectively
are in GP.
Let
and are the roots of the equation ,
then
On solving Eqs. (i) and (ii), we get