rational number that does not have a reciprocal.
rational numbers that are equal to their reciprocals.
rational number that is equal to its negative.
(i) 0 is a
rational number but its reciprocal is not defined.
(ii) 1 and
−1 are the rational numbers that are equal to their
(iii) 0 is
the rational number that is equal to its negative.
Fill in the blanks : (i) The product of two positive rational numbers is always___ (ii) The product of two negative rational numbers is always___ (iii) If two rational numbers have opposite signs then their product is always___ (iv) The reciprocal of a positive rational number is ___ and the reciprocal of a negative rational number is___ (v) Rational number 0 has___ reciprocal. (vi) The product of a rational number and its reciprocal is ___ (vii) The numbers ___and ___are their own reciprocals. (viii) If M is reciprocal on N,then the reciprocal of N is___