erinbyrne6841 erinbyrne6841 28-02-2024 Mathematics contestada The sum of the first three terms of a G.P. is 13 and the sum of their squares is 91. Determine the G.P.: a) 1, 3, 9 b) 2, 4, 8 c) 1, 2, 4 d) 1, 4, 16