TMUA 2016 Paper 1 Q18 — Worked Solution

P1·Differentiation, Functions, Transformations & Graphs·7.0Official · 2016 · Q18

decreasing-functionfractional-power-derivativesign-of-derivative

The function

\frac{1 - x}{3 x ^{2}}

is defined for all

x \neq = 0

. The complete set of values of

x

for which the function is decreasing is

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