2. Let A, B, and C be as in Exercise 1, let D = {3,2}, and let E: Determine which of the following are true. Give reasons for your decisions. {2,3, 2}. а. A = B b. В3D С || С. В — D d. E = D е. ANB= BN A f. AUB= BUA g. А - В %— В — А h. А@В— ВӨА

а) АхВxС. с) СхАхВ. Let A %3D (a, b, c], В %3 (х, у}, and C %3D (0, 1}. Find b) СхВxА. d) Вx Вx В.

Count : g. B'C = h. CD' = i. CD =

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1. B = S 2. ~K 3. (B = S) D (~R v K) What rule, if any, could you immediately apply to two of the above three lines? MP O MT O DS O HS none of these

an=an−1+dan=an−1+d a1=insertfirstterma1=insertfirstterm   4,4.1,4.2,4.3,4.44,4.1,4.2,4.3,4.4 Common Difference: d=d=  an=an−1+an=an−1+  a1=a1=  −1,−4,−7,−10−1,−4,−7,−10 Common Difference: d=d=  an=an−1−an=an−1−  a1=a1=