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प्रश्न
What universal set (s) would you propose for the following:
The set of isosceles triangles.
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उत्तर १
The universal set for the set of isosceles triangles can be the set of triangles, polygons, or two-dimensional figures.
उत्तर २
Isosceles triangle is a type of triangle. So the set of triangles contain all types of triangles.
∴ U = {x : x is a triangle in a plane)
संबंधित प्रश्न
Given the sets, A = {1, 3, 5}, B = {2, 4, 6} and C = {0, 2, 4, 6, 8}, the following may be considered as universal set (s) for all the three sets A, B and C?
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Given the sets, A = {1, 3, 5}, B = {2, 4, 6} and C = {0, 2, 4, 6, 8}, the following may be considered as universal set (s) for all the three sets A, B and C?
Φ
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| Column A | Column B |
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| (ii) [B′ ∪ (B′ – A)]′ | (b) A |
| (iii) (A – B) – (B – C) | (c) B |
| (iv) (A – B) ∩ (C – B) | (d) (A × B) ∩ (A × C) |
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| (vi) A × (B ∪ C) | (f) (A ∩ C) – B |
