The exradii `r_1,r_2` and `r_3` of ` /_\A B C` are in H.P. Show that its sides `a , ba n dc` are in `AdotPdot`

The exradii r_(1),r_(2) and r_(3) of /_ABC are in H.P.Show that its sides a,bandc are in AP .

The exradii r_(1), r_(2), and r_(3) " of " Delta ABC are in H.P. show that its sides a, b, and c are in A.P.

The exradii r_(1), r_(2), r_(3)" of "DeltaABC and in HP, show that it’s the arithmetic mean of a and c.

If r_(1), r_(2), r_(3) in triangle be in H.P., then the sides are :

If a,b,c are in AP, then show that r_(1), r_(2), r_(3) are in HP.

The radii r_(1), r_(2), r_(3) of the escribed circles of the triangle ABC are in H.P. If the area of the triangle is 24 cm^(2) and its perimeter is 24 cm, then the length of its largest side is