If x 1 2 3 4 5 6 July 8, 2019 16 32 64 128 If 1 2 4 5 x 6 and 3 5 are the vertices of a parallelogram If x 1 6 5 3 of 2 /- 5 4 9 If 1 2 4 y x 6 and 3 5 are the vertices If 1 2 3 If x ≠ − 1 2 then 6 x 3 + 3 x 2 − 8 x − 4 2 x + 1 =