Mathematics · Topology
समुच्चय X = {a, b, c} दिया गया है, निम्नलिखित में से कौन सा X पर एक वैध टोपोलॉजी (topology) नहीं है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1T4 = {∅, {a}, {b, c}, X}
- 2T3 = {∅, {a, b}, {b, c}, X}✓
- 3T2 = {∅, {a, b}, X}
- 4T1 = {∅, {a}, X}
सही उत्तर देखें
T3 = {∅, {a, b}, {b, c}, X}
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