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प्रश्न
Describe the following set in the Roster Form:
{x/x is an integer, `-1/2 < x < 9/2`
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उत्तर
Step 1: Understand the range
Lower bound: `-1/2 < x`
= x must be greater than −0.5.
Since x is an integer, the smallest integer is 0.
Upper bound: `x ≤ 9/2 = 4.5`
= x ≤ 4.
Step 2: List integers in the range
Integers between 0 and 4 inclusive are:
0, 1, 2, 3, 4
Roster Form: {0, 1, 2, 3, 4}
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