Which of the functions are not equal ?
All of the above are equal.
As we learned
Equality of function -
The two function f and g are said to be equal
iff : dom (f) = dom (g)
and Co-dom (f) =Co - dom (g)
and f(x) = g (x) x Domain
-
is not defined for
while .
Option 1)
Option 2)
Option 3)
Option 4)
All of the above are equal.
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