3 years ago

Help! I don't understand this

Mathematics

1 answer:

olchik [2.2K]3 years ago

3 0

PQ=5i-4j 3QR+PQ-PQ=11i-4j-(5i-4j)=6i

3QR=6i QR=2i

R=Q+2i R=(4, 1)

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Help! I don't understand this​

Help! I don't understand this