[~..candy..~]

-(1/4)	0	0
0	(1/4)	0
0	0	-1

3	0	0
0	6	0
0	0	4

هذا ناتج a*bانفرس

-7	3
-5	2

(a^{t})⁻¹=

1	1
-2	-1

a⁻² =

-1	0
0	-1