00:00in question 8, we have a period
00:04if a square is equal to a, then period 1
00:08but if a cube is equal to a, then period 2
00:12now we have a matrix 2 times
00:16this is the first row to multiply
00:201 to 1, minus 2 to minus 3, minus 6 to 2
00:28this is the first row to multiply this row
00:33this row to multiply this row
00:361 to minus 2, minus 2 to 2, minus 6 to 0
00:41this row to 3, minus 6 to 1, minus 2 to 9, minus 18
00:49minus 6 to minus 3, plus 18
00:51this row is the second row
00:54the second row is the first column
00:56minus 3 into 1, 2 into minus 3, 9 into 2
00:59then we have the second column
01:01minus 3 into minus 2, 2 into 2, 9 0, 0
01:06then the second row is the third column
01:09third row is the third row, first column, third row is the second column
01:11this all goes
01:12and so here Л of these row todos
01:16mmm pardon, now these row read through
01:16minus u minus 6, minus 6, 9 6, 10, 9, minus 4, minus 4, minus 3
01:20A square.
01:22We go there A square.
01:25A square.
01:25A square.
01:28A square.
01:30When A square.
01:31This is whole.
01:36Now A cube.
01:37A cube A.
01:40Then.
01:41Our period.
01:44It will be 2.
01:46If A square A.
01:47So if you have a period of time, then it will be one.
01:50So what is the period of time?
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