Properties of Symmetric Difference of Sets
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If and are two sets then is equal to
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If and are two sets then is equal to
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Q. Let A={x:x∈N and x2−2x−35<0} and B={x:x∈Z and 1<x+2<10}. Then n(AΔB) is
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- 8
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Q. For any sets A & B, A∪(B−A)=
- A∩B
- A∪B
- ∅
- A′∩B
Q. If A={x:x=4k+1, k∈W and k≤12} and B={x:x=5k, k∈W and k≤6}, then n(AΔB) is
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- 20
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Q. Let P={x:x∈N and 7x+2>1} and Q={x:x∈N and |x−1|<2}. Then n(PΔQ) is
- 7
- 8
- 2
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