18 Let U={1,2,3,4,9}, A={2,3}, and B={4,9}. In each of the following questions, find the indicated set; give your answer in list form, i.e., the way that U, A, and B are given (remember to use braces). (4) Find (A∩B)′. (A∩B)′= (5) Find (A∪B)′. (A∪B)′=

Q: Evaluate if x=4,8,3,-2 ∑x ∑x+1 ∑(x+1) 3∑x - 4

A: Given that  if x=4,8,3,-2

Q: 2. Simplify the expression and state restrictions on the variables: 2a-5 5a a +3 + ÷ a²2a 15 a² +…

A:

Q: Perform the following operations. A. (-3, -5) + (6, 7) = B. (8,-4) (9, 2) =

A:

Q: Find x, and x2- -52 28 -5 5 X2 40 X =

A:

Q: Which of the following expresses-2/15 x 4/6 in simplest form? a. -12 /10 b. -24/10 8. c. -72/10 d.…

A: Simplest form will be

Q: + ● = = ★=□+□+□ = =

A:

Q: Let A = 32 -2 1 and B = OA. K= 13 -3 k What value(s) of k, if any, will make AB = BA? Select the…

A:

Q: Find the following expressions if a = (6r, 0, ½r), b = (4s, –s,8s), and c = 1. a. b = 2. a c= 3. b.…

A:

Q: Let A = 1 1 1`1 1 1 1], B= CD c=H₁ 1 1 Which of the following expressions is NOT defined?

A: we need to find which of the given expressions is not defined.

Q: -4(1+5)÷ 6 - (42+5)

A: Given: It is given to solve the integers -4(1+5)26-(42+5)

Q: Find the adjoint of

A:

Set Theory

Every field in the present world involves a set. The theory of sets was developed by German mathematician Georg Cantor while working on the “problems of trigonometric series”.