If a function is defined by f(x)={\\begin{array}{cc}x & \\\\text{ when }\\ x \\\\text{ is rational }\\ \ -x & \\\\text{ when }\\ x \\\\text{ is irrational }\\\\end{array}.. Then

Correct Answer is : f is discontinuous at every x, except x=0

f is continuous at every x, except x=0

f is discontinuous at every x, except x=0

f is discontinuous at everywhere

CUSAT 2021 BTech Solved Paper Shift 2

Question : 184 of 250

Marks: +1, -0

If a function is defined by f(x)={

x	‌ when ‌x‌ is rational ‌
−x	‌ when ‌x‌ is irrational ‌

.. Then

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