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प्रश्न
If A = (–7, 3], B = [2, 6] and C = [4, 9] then find A' ∩ B
उत्तर
A = (– 7, 3], B = [2, 6], C = [4, 9]
A' = `(-∞, -7] ∪ (3, ∞)`
∴ A' ∩ B = (3, 6]
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