What is the domain of f(x) = x^2/sqrt(1+x).
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For a function f(x), the domain is the set of values of x for which the value of f(x) is real.
We have f(x) = x^2/ sqrt (1 + x).
x^2 is always real and sqrt (1 + x) is real for all values of x such that (1+x) >0
=> 1 > -x
=> x > -1
Therefore the required domain is all values of...
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