Question: Given u = 8i - 4j, find -7u. O-56i + 28j O-561 - 28j O 56i + 28j 56i - 28j

Given u = 8i - 4j, find -7u. O-56i + 28j

O-561 - 28j O 56i + 28j 56i - 28j

Given u = 8i - 4j, find -7u. O-56i + 28j O-561 - 28j O 56i + 28j 56i - 28j

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