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2
4
3
5
2
4
3
5
2
4 − − −6
3
5
1
2
3
0
1
5
(d)
,
,
2
4
3
5
2
4
3
5
2
4
3
5
1
1
5
−5
4
−4
9
(e)
,
,
2
3
2
4 −1
3
2
3
1
2
3
−2
3
4
5
5
4
5
(f)
,
2
3
,
4. For the following sets of basis vectors, determine if they are orthogonal. If
not, tell why not.
2
4
3
5
2
4
3
5
2
4
3
5
1
0
0
0
0
4
0
2
0
(a)
,
,
2
4
3
5
2
4 −1
3
5
2
4
3
5
1
2
3
−2
3
(b)
,
2
3
,
2
4
3
5
2
4
3
5
2
4
3
5
0
4
1
−1
4
8
0
0
(c)
,
,
2
3
2
4 − −2
2
3
2
4 − −6
−12
3
−6
2
4
5
5
5
(d)
,
,
2
4 −1
5
3
5
2
4 5
3
5
2
4 −2
3
5
(e)
,
−6
,
0
1
5. Are these basis vectors orthonormal? If not, tell why not.
2
4
3
5
2
4
3
5
2
4
3
5
1
0
0
0
0
4
0
2
0
(a)
,
,
2
4
3
5
2
4 −1
3
5
2
4
3
5
1
2
3
−2
3
(b)
,
2
3
,
2
3
2
3
2
3
1
0
0
0
−1
0
1
0
4
5
4
5
4
5
(c)
,
,
2
4 0
3
5
2
4 0
3
5
2
4 1
3
5
(d)
1
0
,
.707
.707
,
0
0
2
4
3
5
2
4
3
5
2
4
3
5
0
.707
−.707
0
.707
.707
1
0
0
(e)
,
,
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