1.

Express {x: x= n/ (n+1), n is a natural number less than 7} in roster form:

A. {<sup>1</sup>‚ÅÑ<sub>2</sub>, <sup>2</sup>‚ÅÑ<sub>3</sub>, <sup>4</sup>‚ÅÑ<sub>5</sub>, <sup>6</sup>‚ÅÑ<sub>7</sub>}
B. {<sup>1</sup>‚ÅÑ<sub>2</sub>, <sup>2</sup>‚ÅÑ<sub>3</sub>, <sup>3</sup>‚ÅÑ<sub>4</sub>, <sup>4</sup>‚ÅÑ<sub>5</sub>, <sup>5</sup>‚ÅÑ<sub>6</sub>, <sup>6</sup>‚ÅÑ<sub>7</sub>, <sup>7</sup>‚ÅÑ<sub>8</sub>}
C. {<sup>1</sup>‚ÅÑ<sub>2</sub>, <sup>2</sup>‚ÅÑ<sub>3</sub>, <sup>3</sup>‚ÅÑ<sub>4</sub>, <sup>4</sup>‚ÅÑ<sub>5</sub>, <sup>5</sup>‚ÅÑ<sub>6</sub>, <sup>6</sup>‚ÅÑ<sub>7</sub>}
D. Infinite set
Answer» D. Infinite set


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