Solution to write the following sets by listing their elements between braces - Sikademy
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A.

2. \{3x+2:x\in Z\}=\{...,-4,-1,2,5,8,11,14,...\}.

4.

\{x\in N:-2<x\leq7\}=\{-1,0,1,2,3,4,5,6,7\}.

6.

\{x \in R:x^2=9\}=\{-3,3\}.

8.

\{x\in R:x^3+5x^2=-6x\}=\{-3,-2,0\}.

10.

\{x\in R:\sin{πx}=0\}=\{...,-3,-2,-1,0,1,2,3,...\}.

B.

18.

\{0,4,16,36,64,100,...\}=\{x\in Z:(2x)^2\}.

20.

\{...,-8,-3,2,7,12,17,...\}=\{x\in Z:5x-3\}.

22.

\{3,6,11,18,27,38,...\}=\{x\in N:x^2+2\}.

24.\{-4,-3,-2,-1,0,1,2\}=\{x \in Z:-4\leq x\leq 2\}.

26.

\{...,\frac{1}{27},\frac{1}{9},\frac{1}{3},1,3,9,27,...\}=\{x \in Z:3^x\}.

C.

30.

|\{\{1,4\},a,b,\{\{3,4\}\},\{\varnothing\}\}|=5.

32.

|\{\{\{1,4\},a,b,\{\{3,4\}\},\{\varnothing\}\}\}|=1.

34.

|\{x\in N:|x|<10\}|=9.

36.

|\{x\in N:x^2<10\}|=3.

38.

|\{x \in N:5x\leq 20\}|=4.

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Question ID: mtid-5-stid-8-sqid-2601-qpid-1071