Mathematics · Linear Algebra
What is the condition for which the set {a + ib, c + id}, where a, b, c, d ∈ ℝ, forms a basis of the complex vector space &Complex; over the field of real numbers ℝ?
- 1None of these
- 2ab - cd ≠ 0
- 3ad - bc = 0
- 4ad - bc ≠ 0✓
Correct answer
ad - bc ≠ 0
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