Question
For any two sets A and B, prove that
$\text{A}-(\text{A}-\text{B})=\text{A}\cap\text{B}$
$\text{A}-(\text{A}-\text{B})=\text{A}\cap\text{B}$
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Expenditere(in ₹):
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$0-10$ | $10-20$ |
$20-30$
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$14$
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$13$
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$27$
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$21$
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$15$
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Size
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$1$
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$3$
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$5$
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$7$
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$9$
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$11$
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$13$
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$15$
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Frequency
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$3$
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$3$
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$4$
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$14$
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$7$
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$4$
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$3$
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$4$
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$I$
Income in $₹$
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$II$
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$4000$
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$3800$
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| $4200$ | $4000$ |
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| $4600$ | $4400$ |
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| $5800$ |