Chapter 1: Sets

Exercise

Question

Question: 6 (i)

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Write the following intervals in set-builder form:

(i) (-3, 0)

Answer

1
Write the set in set-builder form using the given interval notation.
Answer: {x : x $∈$ R, -3 $<$ x $<$ 0}
Reason: Since the interval is open at both ends, both endpoints are excluded. Therefore, −3 $<$ x $<$ 0
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