Recent content by Augustus58

Hi, prob solved. Thank You for your messages. It's definitely good to assume m = n :) One solution from another forum: http://mathforum.org/kb/message.jspa?messageID=9593624

Hi, can't solve following prob: Let a, b and c be real numbers. Given that a^2, b^2 and c^2 are in arithmetic progression show that 1 / (b + c), 1 / (c + a) and 1 / (a + b) are also in arithmetic progression. From assumptions: b^2 = a^2 + nk and c^2 = b^2 + mk where k is some real number...