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Given that p=2i-3j+k and q=3i-4j-3k find: i) r=3p+2q ii) |r|

Given that 𝒑=2𝒊−3𝒋+𝒌 and 𝒒=3𝒊−4𝒋−3𝒌 find:
i) 𝒓=3𝒑+2𝒒
ii) |𝒓|

Answers

3(2i-3j+k) +2(3i-4j-3k)
6i-9j+3k+6i-8j-6k
12i-17j-3k
ii) (12)²+(-17)² +(-3)²
442
21.02

Kavungya answered the question on November 18, 2019 at 13:24

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