Question

Write the following in Descriptive form:

C = {1, 4, 9, 16, 25}

Answer 1

The Descriptive Form is:
C={x|x E N, x^2, 1<_x<_5}

E=is an element of natural no[N]
x^2= square of x
<_ = greater than equal to

Answer 2

C={1,4,9,16,25}
Then,
C={set of squares of natural number less than six}
 Hope so that this will help you