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  • Find domain of f(x)=log (1+x^3) , (base 10)

Find domain of f(x)=log (1+x^3) , (base 10)

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Solution: We have ,

\ f(x)=log_10(1+x^3)

If       (1+x^3)> 0Rightarrow (1+x)(1-x+x^2)> 0

So,            (1+x)> 0Rightarrow x> -1Rightarrow xin (-1,infty )

Thus , domain of the function f(x) xin (-1,infty )

Posted by

Deependra Verma

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