00:01
Is given that y equal to 3, 9, minus 8 and a new matrix of minus 5, 2, 2.
00:08
First we need to find the value of y cap which is equal to y dot u dot y, u dot u dot u.
00:17
So, first find the value of y dot u which is equal to 3 comma 9 comma minus 8 into minus 5 comma 2 comma 2 which is equal to minus 8 plus 8 into minus 16 which is equal to minus 13.
00:42
Now find the value of u dot u, u dot u minus 5 comma 2 comma 2 into minus 5 comma 2 comma which is equal to 25 plus 4 plus 4 which is equal to 33.
00:59
Therefore, y cap equal to minus 13 divided by 33 into minus 5, 2, 2.
01:11
So, which is equal to 65 divided by 33 minus 26 divided by 33 minus 26 divided by 33.
01:26
So, now find the value of y minus y cap which is equal to 3, 9, minus 8, minus 65 divided by 33 minus 26 divided by 33 and minus 26 divided by 33...