Why 0 has no reciprocal ? Justify the st...

Why 0 has no reciprocal ? Justify the statement .

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NAND LAL PUBLICATION-RATIONAL NUMBERS-SAMPLE PAPER FOR PRACTICE ( Match the following ) :

(a) a+b=c " " - Commutative property for multiplication (...
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Write all rational number whose absolute value is (3)/(7)
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Find if 33 (1)/(3) is the multiplicative inverse of 0.03.
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Add - (1)/(2) and its multiplicative inverse
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Multiply (3)/(-7) and its additive inverse
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Write 4 rational number smaller than -3 .
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Using mean method find a rational number between - (3)/(2) and (2)/(3)
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Why 0 has no reciprocal ? Justify the statement .
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Write rational number represented by the points marked on the number l...
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Show that subtraction of rational number is not commutative.
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Verify associative property of multiplication for (2)/(3), (-1)/(6) , ...
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Insert 6 rational numbers between x and |x| when x= -(2)/(3)
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