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Question
Write the inequation that represent the interval and state whether the interval is bounded or unbounded.
`(- ∞,∞)`
Sum
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Solution
`(- ∞,∞)`
Here, x takes values between `–∞` and `∞`
∴ the required inequation is `–∞ < "x" < ∞`
∴ it is an unbounded (open) interval.
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Chapter 8: Linear Inequations - Exercise 8.1 [Page 116]
