Math, asked by hackerscoon, 5 days ago

What is the answer? for the following question

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Answers

Answered by urmaliyapooja112
1

Answer:

Given that:-F=3i+4j-5k

and r=j-k

Step-by-step explanation:

then,

3i+4j-4k-k

3i+4(j-k)-k

3i+4r-k

k=j-r

3i+4r-(j-r)

3i+4r-j+r

3i+5r-j

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