Two marks exercise problems III — task. Mathematics State Board, Class 9.

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Represent the following sets in Roster form.

(i) \(A =\) The set of all even natural numbers less than \(20\).

\(A =\)

\{i, i, i, i, i, i, i, i, i\}

(ii) \(B = \left\{y:y = \frac{1}{2n}, n \in \mathbb{N}, n \le 5 \right\}\)

\(B =\)

\{\frac{i}{i}, \frac{i}{i}, \frac{i}{i}, \frac{i}{i}, \frac{i}{i}\}

(iii) \(C = \{x:x\) is perfect cube \(27 < x < 216\}\)

\(C =\)

\{i, i\}

(iv) \(D = \{x : x \in \mathbb{Z}, -5 < x \le 2\}\)

\(D =\)

\{i, i, i, i, i, i, i\}

Did you find an error?

5. Two marks exercise problems III