Question: Given the two nonparallel vectors a = 3i - 2j and b = -3i 4j and another vector r = 7i - 8j, find scalars

Given the two nonparallel vectors a = 3i - 2j and b = -3i 4j and another vector r = 7i - 8j, find scalars k and m such that r = ka + mb.

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