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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​

1 Answer

6 votes

j+8k

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

User Mattmoor
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