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Example 2. Write the following sets by roster method : (i) The set of all natural number 'x' such that 4x + 9 < 50. (ii) The set of all integers 'x' such that x2 + 5x + 6 = 0. (iii) The set of all natural numbers 'x' such that | x | S 4. (iv) The set of all integers 'x' such that | x-3| < 8.

Example 2. Write the following sets by roster method : (i) The set of all natural number 'x' such that 4x + 9 < 50. (ii) The set of all integers 'x' such that x2 + 5x + 6 = 0. (iii) The set of all natural numbers 'x' such that | x | S 4. (iv) The set of all integers 'x' such that | x-3| < 8.

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Example 2. Write the following sets by roster method : (i) The set of all natural number 'x' such that 4x +9 < 50. (ii) The set of all integers 'x' such that x2 + 5x + 6 = 0. (iii) The set of all natural numbers 'x' such that | x | < 4. (iv) The set of all integers 'x' such that | x - 3| < 8.
Transcribed Image Text:Example 2. Write the following sets by roster method : (i) The set of all natural number 'x' such that 4x +9 < 50. (ii) The set of all integers 'x' such that x2 + 5x + 6 = 0. (iii) The set of all natural numbers 'x' such that | x | < 4. (iv) The set of all integers 'x' such that | x - 3| < 8.
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