Describe the following sets in Set-Builder form: (ii) Let B= x / … - Vidyadip

Question

Describe the following sets in Set-Builder form:

(ii) Let $B=\left\{x / x\right.$ is an integer, $\left.-\frac{1}{2}<x<\frac{9}{2}\right\}$
$
\therefore B=\{0,1,2,3,4\}
$

✓

Answer

Let B = {0, ±1, ±2, ±3}
B is the set of elements which belongs to Z from -3 to 3.
∴ B = {x / x ∈ Z, -3 ≤ x ≤ 3}

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