Question: ven a = 6i + 4j - 4k and b = 3i + xj - 9k find x when a b=-2.

ven a = 6i + 4j - 4k and b = 3i

ven a = 6i + 4j - 4k and b = 3i + xj - 9k find x when a b=-2.

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