2 1 upon 4 is equal to July 8, 2019 16 32 64 128 The value of 1 upon 2 1 upon 4 is equal to 4 x square 2 x 1 upon 4 is equal to zero B b 1 b 2 upon 4 is equal to 21 X 1 upon 4 is equal to x minus 2 upon 3 2 upon 3 3 upon 4 1 upon 2 is equal to X upon 2 x upon 4 is equal to 1 upon 8 1 - 2 = 4 2*2 is 4 2+ 2 = 4