17. Find the unit vector of b = [5, -2, 8]. 93 a) [5, 2,8] b) 11 [5,- 2,8] c) 5 √93 ' -2 8 √√93 93 Which property of vector is incorrect? 18. a) a × b = bxa b xa c)a • (b+c) = a•b+a•c b) (a + b) + c = a + d) axb = a• →> • b -2 8 d)[√1' 11 (b + c )
17. Find the unit vector of b = [5, -2, 8]. 93 a) [5, 2,8] b) 11 [5,- 2,8] c) 5 √93 ' -2 8 √√93 93 Which property of vector is incorrect? 18. a) a × b = bxa b xa c)a • (b+c) = a•b+a•c b) (a + b) + c = a + d) axb = a• →> • b -2 8 d)[√1' 11 (b + c )
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section8.4: The Dot Product
Problem 40E
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![17.
Find the unit vector of b = [5, -2, 8].
93
a) [5, 2,8]
b)
11
[5,- 2,8]
c)
5
√93
'
-2
8
√√93 93
Which property of vector is incorrect?
18.
a) a × b
= bxa
b xa
c)a • (b+c) = a•b+a•c
b) (a + b) + c = a +
d) axb
= a•
→>
• b
-2
8
d)[√1'
11
(b + c )](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F70562eea-c2fb-4751-9e42-c7c37c89fd29%2F4bd30a35-c3a2-485a-9917-bbb68d4f056a%2Fsu5t1ep_processed.png&w=3840&q=75)
Transcribed Image Text:17.
Find the unit vector of b = [5, -2, 8].
93
a) [5, 2,8]
b)
11
[5,- 2,8]
c)
5
√93
'
-2
8
√√93 93
Which property of vector is incorrect?
18.
a) a × b
= bxa
b xa
c)a • (b+c) = a•b+a•c
b) (a + b) + c = a +
d) axb
= a•
→>
• b
-2
8
d)[√1'
11
(b + c )
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