Question

Which value of y makes the matrices inverses of each other ?

Answer 1

y=1/2

Explanation:

Edge2021

Answer 2

y = 1/2

Explanation:

`a.{a}^( - 1) = i`

A matrix multiplied by its inverse gives the identity matrix;

Based upon knowing this:

6(-1) + 14y = 1

14y = 7

y = 1/2