2x 1 2 5 7 July 8, 2019 16 32 64 128 2x 1 3x 2 5 7 X 1 2x 2 7x 5 Lim x 1 2x 2 7x 5 5 3 1 2x 2 )=- 7 2x 1 3 x 7 2 5 2x 1 2 x 5 2 7 2 2x 1 x 7 3x 2 5 0 1 2x 5 2 )= 0 77 4x 1 3 2x 1 2 3x 7 5 6 2x 1 3 5 3x 2 x 7 4 2 2x 4 )+ 5 7x 1 2 1 5 2x 1 )= 7x 10 2x 1 5 x 2 3 x 7 15 2x 1 5 x 2 2 0 7x 2 2x 2 7x 5 1