Solution:
‌A={−2,−1,0,1,2,3}
‌xRy⇔y=max{x,1}
‌∴‌‌R={(−2,1),(−1,1),(0,1),(1,1),(2,2),(3,3)}
‌‌‌‌‌l=6
Elements to be added to make it reflexive:
‌(−2,−2),(−1,−1),(0,0)
‌∴‌‌m=3
Elements to be added to make it symmetric:
‌(1,−2),(1,−1),(1,0)
‌∴‌‌n=3
‌l+m+n=12
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