For x = (x₁,...,xn), y = (y₁,..., yn) R", define (x, y) = -1 j²xjYj. (a) Show that (,) is an inner product on R". (b) Suppose that n = -2, and draw the unit ball B = {x € R² : ||x|| ≤ 1} (where || || is the norm derived in the usual way from the inner product (,)).

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter5: Rings, Integral Domains, And Fields
Section5.4: Ordered Integral Domains
Problem 8E: If x and y are elements of an ordered integral domain D, prove the following inequalities. a....
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For x = (x₁,...,xn), y = (y₁,..., yn) R", define (x, y) = -1 j²xjYj.
(a) Show that (,) is an inner product on R".
(b) Suppose that n = -2, and draw the unit ball B = {x € R² :
||x|| ≤ 1} (where || || is the norm derived in the usual way from
the inner product (,)).
Transcribed Image Text:For x = (x₁,...,xn), y = (y₁,..., yn) R", define (x, y) = -1 j²xjYj. (a) Show that (,) is an inner product on R". (b) Suppose that n = -2, and draw the unit ball B = {x € R² : ||x|| ≤ 1} (where || || is the norm derived in the usual way from the inner product (,)).
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