Example 15 If a=5 – 9-3k and 5 =î + 3j -5ł , then show that the vectors
a +b and ā-b are perpendicular.
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Answered by
1
Answer:
SteGive me brainliest and then I will follow you.p-by-step explanation:
Answered by
0
Answer:
I think a+b=6i-6j-8k
and a-b=4i-12j+2k
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