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2 years ago

7

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:

bazaltina [42]2 years ago

8 0

j+8k

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

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