justiceokere3760 justiceokere3760

12-06-2022
Mathematics

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Find the modulus and the unit vector along the sum of the vectors. - r₁ +r₂ +r3 given that r₁ = 2i+j+4k - r₂ = 3i-2j+7k, r3 = 5i + 2j - 3k. 2

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assassinsman65 assassinsman65

12-06-2022

j+8k

first -2i+j+4k-3i-2j+7k+5i+2j-3k

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