Math Problem Statement
Dacă z_{1} = 2 - 3i şi z_{2} = 1 + 3i atunci |z_{1} + z_{2}| + 2z_{1} - z_{2}
Solution
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Math Problem Analysis
Mathematical Concepts
Complex Numbers
Modulus of Complex Numbers
Addition and Subtraction of Complex Numbers
Formulas
z_1 + z_2 = (a + bi) + (c + di) = (a + c) + (b + d)i
|z| = sqrt(a^2 + b^2) for z = a + bi
Scalar multiplication of complex numbers: k(z) = k(a + bi) = ka + kbi
Theorems
Modulus Theorem for Complex Numbers
Suitable Grade Level
Grades 10-12
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