Question

Help me with this exercise

Answer 1

option C

1 1/2

0 1/2

Explanation:

general form of a matrix is,

a b

c d

the given matrix is,

1 -1

0 2

the inverse of a matrix is,

1 / ad - bc * matrix d -b

-c a

by substituting the values of a = 1, b = -1, c = 0 and d = 2

1 / 2 + 0 * matrix 2 1

0 1

1/2 * matrix 2 1

0 1

1 1/2

0 1/2

is the inverse matrix