(5i+4j).(3i+4k)=?
please answer fast urgent
Answers
Answered by
0
Answer:
5i(3i+4k)+4j(3i+4k)
15i^2+20ik+12ij+16jk
hope this helps you
Answered by
1
Answer:
(5i+4j).(3i+4k)= (15i^2 +4j+4k)
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