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If a=3i+4j+5k and b=2i+j+7k. Find a.b​
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If a=3i+4j+5k and b=2i+j+7k. Find a.b​

User Burnpanck
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Given vector a=3i+4j+5k and vector b=2i+j+7k.
Find the dot product of vector a and b.

a.b=3(2)+4(1)+5(7)
a.b=6+4+35
Answer: a.b=45
User Tony Dinh
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