Math Chapter Wise question with answer

Q01 If a function on R is defined by f(x) = 1 when x is rational and f(x) = –1 when x is irrational, then f(x) is disco... English · OAVS TGT 2018 Q02 If Signum function () x f x | x | = when x 0 and f(x)=0 when x = 0, then it is discontinuous at: English · OAVS TGT 2018 Q03 The function f(x) defined by = + = 1/ x 1 f(x) 1 2 f(0) 1 is discontinuous at: English · UP PCS (Pre) 2006 Q04 The function f (x) = xx,x > 0 has English · Bihar (TRE 2.0)-2023 Q05 The function f (x) = x|x| is English · Bihar (TRE 2.0)-2023 Q06 The function () f x = x + x –1 is: English · EMRS TGT-2023