(a/b) = a*b₁ + = (a²b₂ + ažb₁) + a₂b₂ 2
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.5: The Binomial Theorem
Problem 18E
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Question
The inner product, ⟨a|b⟩, of any two
Consider the following candidate (provided) for the inner product for vectors in the two dimensional complex vectors space ℂ2 where a = (a1, a2)T and b = (b1, b2)T.
An additional requirement for the inner product is that ⟨a|a⟩ > 0 for all vectors a ≠ 0. This positive-definite condition on ⟨a|a⟩ ensures that the norm of a vector is a real number. Show that the proposed definition of the inner product does satisfy this additional positive-definite requirement.
Note: Consider re-writing ⟨a|a⟩ in terms of |a1 + a2|2 and other positive terms.
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