4- Prove that (a) (b) Ax B|2 = |A|²|B|² - (A.B)² (A x B) (Cx D) = (A C) (BD) - (AD) (B C)

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.2: Graphs Of Equations
Problem 23E
icon
Related questions
Question
I need an answer quickly please
4- Prove that (a)
(b)
Ax B|² = |A|²|B|² -
(A. B)²
(A x B) (Cx D) = (A C) (BD) - (AD) (B C)
Transcribed Image Text:4- Prove that (a) (b) Ax B|² = |A|²|B|² - (A. B)² (A x B) (Cx D) = (A C) (BD) - (AD) (B C)
Expert Solution
steps

Step by step

Solved in 2 steps with 1 images

Blurred answer
Recommended textbooks for you
Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage