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Question:

Fill in the blanks.(i) Zero has _________ reciprocal.(ii) The numbers ___________ and __________ are their own reciprocals.(iii) The reciprocal of -1 is _________.(iv) Reciprocal of 1/x, where x≠0 is _________.(v) The product of two rational numbers is always a ______________.(vi) The reciprocal of a positive rational number is _______________.

Solution:

i) Zero has No reciprocal (ii) The numbers 1 and -1 are their own reciprocals (iii) The reciprocal of -1 is -1 (iv) Reciprocal of 1/x, where x≠0 is x (v) The product of two rational numbers is always a Rational Number (vi) The reciprocal of a positive rational number is Positive Rational Number.