Example 15 If a = 5i – j – 3k and b = i + 3j – 5k

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Example 15 If a = 5i – j – 3k and b = i + 3j – 5k, then show that the vectors a + b and a – b are perpendicular.
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Nov
Example 15 If a = 5i – j – 3k and b = i + 3j – 5k, then show that the vectors a + b and a – b are perpendicular. Example 15 If a = 5i - j - 3k and b = i + 3j - 5k then show that the vectors [...]
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