Question

please let me know the answer ​

Answer 1

Answer:

$1. \\ i) = (2x)(by)(2b) \\ =4 {b}^{2} xy \\ ii) = (- a)(by)(2b) \\ = - 2a {b}^{2}y \\ 3. \\ = x(y - z) + y(z - x) + z(x - y) \\ = xy - xz + yz - xy +xz - yz \\ = 0$

pls mark as BRAINLIEST