Suppose that A and B are two sets such that n[A] = 5, n[B] = 9, and n[AU B] = 13. If n[U] = 19, then what is n[A'n B']? %3D %3D %3D %3D (A) 0 (B) 4 (C) 6 (D) 5 (E) 9 (F) 8 (G) 14 (Н) 1 A H. B.

(xi) BL www 10 CU U U U U U 6. Show I an 1 that the set A = {P= G₁4₁2) ER² | 2²4 +²27]} open sat.

-2 1 3 2. Let A - († 2¹). B-(² ; 2). c-(3) (² = 14 37 C = 0 2 Evaluate the following products: (a) AB (b) A² (c) BC (d) CA (e) AAT (f) BCA (g) ABC (h) BTACT

Let f(x, y) = In(x²y³), where r = s2 + t2 and y = 2s + 3t. Which of the following is a correct representation for ? as O af )(2) (2s)+ %3D as g2 + t² 2s + 3t O af -) (2t) + s2 +t2 ) (3) as 2s + 3t O af as 2. s2 + t2 2s + 3t O af s2 + t2 (2s + 2t) + (5) 2s +3t ds 3. 3 2)