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प्रश्न
From the adjacent diagram n[P(AΔB)] is
पर्याय
8
16
32
64
उत्तर
32
Explanation;
Hint:
A – B = {60, 85, 75}
B – A = {90, 70}
AΔB = (A – B) ∪ (B – A)
= {60, 70, 75, 85, 90}
n[P(AΔB)] = 25 = 32
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