Math Problem Statement
Dua buah vector diberikan sebagai a = 4i – 3j + k dan b = -I + j + 4k. Tentukan : (a) a + b dan | a + b | (b) Vector satuan dari a + b (c) a – b dan | a – b | (d) vector c agar a – b + c = 0
Solution
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Math Problem Analysis
Mathematical Concepts
Vector Addition
Vector Subtraction
Unit Vector
Modulus of a Vector
Formulas
Vector Addition: a + b = (a_i + b_i)i + (a_j + b_j)j + (a_k + b_k)k
Modulus of a Vector: |v| = sqrt(v_i^2 + v_j^2 + v_k^2)
Unit Vector: u = v / |v|
Theorems
Properties of Vectors
Pythagorean Theorem (for modulus)
Suitable Grade Level
Grades 11-12
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