Q. Fill in the blanks :
(i)The product of two positive rational numbers is always_______________.
(iii) The product of two negative rational numbers is always_______________.
(iv) The reciprocal of a positive rational number is _______________.
(v) The reciprocal of a negative rational number is _______________.
(vi) Zero has _______________ reciprocal.
(vii) The product of a rational number and its reciprocal is ____________.
(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 1a,a≠ is __________________.
(xii) (17×12)−1=17−1×__________________.
,
where
is
__________.