Question

How do you inverse a 2x2 matrix?

Answer 1

are you allowed to use calculator?

Answer 2

I havent tried it

Answer 3

what do you want to do? by hand or by calculator?

Answer 4

by hand

Answer 5

give out a particular problem, please

Answer 6

[6 -3]
[-1 0] they are in the same matrix

Answer 7

ok, what is det of it?

Answer 8

determinant of this matrix =?

Answer 9

the determinant is -3

Answer 10

so \(\dfrac{1}{det}=?\)

Answer 11

yea

Answer 12

give me the answer, please

Answer 13

of the whole question?

Answer 14

nope, just 1/det

Answer 15

1/-3