Question

Write the following sets in set builder form a-3 , 9 , 27 , 81 b- 1, 4, 9, 16, 26,​( pls answer

Answer 1

Answer :-

EXPLANATION:-

Given :

• A = { 3 , 9 , 27 , 81 }

• B = { 1 , 4 , 9 , 17 , 26 }

To prove :-

which of these are in set - builder form

Explaination:-

• Writing A in set builder form :

A = { x : x belongs to natural number and x is a set of odd numbers from 3 }

• Writing B in set builder form :-

we can't write set B in set builder form because , the element of set B are some odd or even

So , from this , we can say that A is in set builder form .

$\tt \huge\red { \boxed{ \bf \blue { \tt \: answer :a}} }$

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