This preview has intentionally blurred sections. Sign up to view the full version.
View Full Document
Unformatted text preview: n ( B ) ? Find A ∪ B and A ∩ B . 4. Let A = [0 , 4] and B = (2 , 6] . Find (a) A ∪ B (b) A ∩ B (c) R \ A (d) ( R \ A ) ∪ ( R \ B ) 5. How many diﬀerent letter arrangement can be formed using the letters O E M AGA when (a) the two A ’s occupying end places; (b) E being always in the second place? 1 Discussion I. Let R = { ( x,y ) ∈ R 2 : y = x 2 } , S = { ( x,y ) ∈ R 2 : y = x 4 } . (a) Represent R and S in the same coordinate plane R 2 . (b) Find R ∩ S . What is its cardinality? II. Can you apply the ﬁrst formula in Theorem 1.37 (Chapter 1) to show that the second formula is true? 2...
View
Full Document
 Spring '10
 CHAN
 Math, Pythagorean Theorem, Department of Mathematics, University of Hong Kong, coordinate plane R2

Click to edit the document details