Question

if 1/ (q+r) , 1/(r+p) , 1/(p+q) are in A.P. , then

(a) p,q,r are in A.P.

(b) p^2, q^2 , r^2 are in A.P.

(c) 1/p , 1/q , 1/r are in A.P.

(d) none

which of the following is true ?????

Answer 1

you can see your answer

Answer 2

hope u understand dear