If 1/(b + c), 1/(c + a), 1/(a + b) are in AP then
A. a, b, c are in AP
B. a2 , b2 , c2 are in AP
C. 1/1, 1/b, 1/c are in AP
D. None of these
Answer:A
If 1/(b + c), 1/(c + a), 1/(a + b) are in AP then
A. a, b, c are in AP B. a2 , b2 , c2 are in AP C. 1/1, 1/b, 1/c are in AP D. None of these