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September 26, 2021 7:45 pm 30 pts
Q.13 flr) = [z|- {z}, where [.] and {.} denote the greatest integer function and the fractional part function, respectively, is (1) continuous at z = 1,-1 (2) contiuous at z = -1 but not at z = 1 (3) continuous at c =1 but not at z = -1 (4) discontinuous at xr 1 and z = -1
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• Navdeep goyal 1
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