1.If R={(a,b)∣b=a−1,a∈Z,5<a<9}R = \{(a, b) \mid b = a - 1, a \in \mathbb{Z}, 5 < a < 9\}R={(a,b)∣b=a−1,a∈Z,5<a<9}, then the range of RRR isa.{7,8,9}\{7, 8, 9\}{7,8,9}b.{5,6,7}\{5, 6, 7\}{5,6,7}c.{6,7,8}\{6, 7, 8\}{6,7,8}d.{5,6,7,8,9}\{5, 6, 7, 8, 9\}{5,6,7,8,9}Login to continueOnly logged in users canattempt or see the solution.
