Question

Given lines L1 and L2 and L1 = (1-a)x-y and L2= 6x+ay =9 find the value of a if L1 and L2 are parallel then L1 and L2 are perpendicular?​

Answer 1

Answer:

am not sure pls double check

Answer 2

Step-by-step explanation:

$\huge{\textbf{\textsf{{\color{skyblue}{an}}{\blue{sw}}{\red{er}} {\color{red}{: }}}}}$