Fill in the blanks. (i) Zero has _________ reciprocal. (ii) The numbers ___________ and __________ are their own reciprocals. (iii) The reciprocal of ?5 is _________. (iv) Reciprocal of x1?, where x?=0 is _________. (v) The product of two rational numbers is always a ______________. (vi) The reciprocal of a positive rational number is _______________.

Answers (1)

Fill in the blanks.
1) Zero has _________ reciprocal.

x=0; Reciprocal ; ; of ; ; x ; ; is ; ; frac1x= Not ; ; defined

So,0 has NO reciprocal.
2)The numbers _-1_ and _1_ are their own reciprocals.
3) The reciprocal of −5 is _________

x=-5;; ; Reciprocal ; ; of; ; x ; ; is ; ; frac-15

4)Reciprocal; ; of ; ; frac1x; ; where ; ; ; ; x
eq 0; ; is

y=frac1xRightarrow frac1y=x

So Reciprocal of frac1x is x
5)The product of two rational numbers is always a Rational Number.
6)The reciprocal of a positive rational number is Positive Rational Number.
 

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