4 9 x 1 25 July 8, 2019 16 32 64 128 1 4 9 x 25 36 9 4 x 1 )= 25 solve the equation 3 log 1 9 x 1 4 log 256 1 4 9 16 and 25 sequence 4/9 x 2 1/4
