#intervals

2 public questions tagged with this topic.

General Mathematics 3

The logic is straightforward: complete solution: write formula, plug data, do arithmetic. Final value matches C and E only. Simple and accurate.

Ref: NCERT Mathematics Class XI and XII

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Sets, Relations and Functions

We know that using formula we get Ⴔ. Calculation gives this directly, check steps: apply rule, substitute values, simplify to get Ⴔ.

Ref: NCERT Mathematics Class XI — Sets, Relations and Functions

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