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Verified answer
Ada vektor,a = (2 1)
b = (3 -4)
a) |a - b| = |(-1 5)| = √26 ✔️
b) |a| + |b| = √5 + 5 ✔️
c) |2a| = 2|a| = 2√5 ✔️
d) 2|a| = 2√5 ✔️
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