Question

if x, y, z are in Ap and x, y, z+1 are in gp then​

Answer 1

Complete your question

Answer 2

$2y = x + z \\ \\ {y}^{2} = x(z + 1) \\ \\ 4 {y}^{2} = 4x(z + 1) \\ \\ {x}^{2} + {z}^{2} + 2xz = 4xz + 4x \\ \\ {(x - z)}^{2} = 4x \\ \\ {(y - z)}^{2} = x$

hope it helps