Question

Q.4: Write the given sets in set-builder form: (a). {4, 8, 12, 16, 20} (b). {3, 9, 27, 81} (c). {4, 16, 64, 256, 1024} (d). {1, 3, 5, 7…} (e). {1, 8, 27, 64….1000}

No spam

Answer 1

{x: x= 4n ,n =1,2,3,4,5}

{x: x=3^n,n = 1,2,3,4}

{x: x=4^n,n =1,2,3,4,5}

{x:x =2n+1,n=0,1,2,3}

{x:x =n^n3,n=1,2,3,4..10}

Hope it helps u.

Answer 2

Answer:

Given:- B={9,16,25,36,.....,81}

The given no. are square of natural numbers from 3 to 9.

Therefore,

B={x:x=n

2

;n∈N,3≤n≤9}