Class 9th math 3.1 solution english PCTB

Question 1: Write the following sets in set builder notation:

\((vi)\) \(\quad\) \(\{1,2,4,5,10,25,50,100\} \)

Solution:

If we observe patteren in the set \(\{1,2,4,5,10,25,50,100\} \), these are elements which divides \(100\) exactly withou leaving any remainder.

Set Builder Notation:

\(\{ x \mid x\text{ is a divisor of } 100 \}\)

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