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प्रश्न
Find a unit vector in the opposite direction of `baru`. Where `baru = 8hati + 3hatj- hatk`
बेरीज
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उत्तर
Required vector = `(-baru)/|baru|`
= `-(8hati + 3hatj - k)/sqrt(64 + 9 + 1)`
= `(-8hati - 3hatj + k)/sqrt(74)`
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Algebra of Vectors
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