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  • How to solve this problem- - Sets, Relations and Functions - JEE Main-2

What is the Domain of the function f(x)=ln\: x?

 

  • Option 1)

    x\equiv R

     

     

  • Option 2)

    x\geqslant 0

  • Option 3)

    x\equiv R^{+}

  • Option 4)

    none of these.

 

Answers (1)

best_answer

As we learned 

 

Domain of function -

All posible values of x for f(x) to be defined is known as domain.

-

 

 Domain is x\equiv R^{+} and here ln\: \: x is not valid for x=0\: \: \: or\: \: \: x< 0.

 


Option 1)

x\equiv R

 

 

Option 2)

x\geqslant 0

Option 3)

x\equiv R^{+}

Option 4)

none of these.

Posted by

Himanshu

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