mlatchem0628 mlatchem0628

02-03-2021
Mathematics

contestada

Find a • b if a=3i+8j and b=-0.5-4j

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mathworks613 mathworks613

02-03-2021

Answer: -8j + 3i

Step-by-step explanation:

3i + 8j · (- 0.5) - 4j

3i-8j · 0.5 - 4j

3i-4j-4j

3i-8j

-8j+3i

Hope this helps

Answer Link

02-03-2021

Answer:

−1.5i−12ij−4j−32j2

Step-by-step explanation:

Answer Link

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