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= 6i+3i-2j-5j
= 9i -7j
33. 2(u) = 2 (6i-4j) = 12i-8j
3(v) = 3 (2i-3j) = 6i-9j
2u-3v = (12i-8j)-(6i-9j)
= 12i-6i-8j+9j
= 6i+j
maaf cuma bisa bantu segitu