Which line segment is a diameter of circle L? IL¯¯¯¯ HK¯¯¯¯¯¯ JL¯¯¯¯¯ GK¯¯¯¯¯¯ Circle with center at point L. Points G, H, I, J and K are on the circle. Line segments GK, GL, LJ, GLJ, IL, HL, LK and HLK are drawn.

The sum of the first eight terms of an arithmetic progression is 9m + 14. the fifth term of the06 progression is 2m - 6, where m is a constant.given that the first term of the progression is 26,find the value of the common difference, d and thevalue of m.