Let and . Determine the open interval(s) on which both and are…

MATHEMATICS · Subjective · A Level · Mathematics · Differentiation · Differentiation

Problem

Let f(x)=x3−3x+2f(x)=x^{3}-3x+2 and g(x)=ln⁡(x2+1)g(x)=\ln (x^{2}+1). Determine the open interval(s) on which both ff and gg are increasing.

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