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Fill in the blanks:
(i) The product of two positive rational numbers is always………..
(ii) The product of a positive rational number and a negative rational number is always ……..
(iii) The product of two negative rational numbers is always………..
(iv)The reciprocal of a positive rational numbers is ………..
(v) The reciprocal of a negative rational number is………..
(vi) The product of a rational number and its reciprocal is……..
(vii) Zero has……. reciprocal
(viii) The numbers……. and….. are their own reciprocals.
(ix)If a is reciprocal of b, then the reciprocal of b is ………
(x) The number 0 is ……… the reciprocal of any number.
(xi) Reciprocal of is
(xii)
(i) The product of two positive rational numbers is always positive
(ii) The product of a positive rational number and a negative rational number is always negative
(iii) The product of two negative rational numbers is always positive
(iv) The reciprocal of a positive rational numbers is positive
(v) The reciprocal of a negative rational number is negative
(vi) The product of a rational number and its reciprocal is 1
(vii) Zero has no reciprocal
(viii) The numbers 1 and -1 are their own reciprocals
(ix) If a is reciprocal of b, then the reciprocal of b is a
(x) The number 0 is not the reciprocal of any number
(xi) Reciprocal of is a
(xii) (17 * 12)-1 = 17-1 * 12-1