TMUA 2021 Paper 1 Q11 — Worked Solution

P1·Differentiation, Inequalities·6.5Official · 2021 · Q11

fractional-indicesdecreasing-functionquadratic-sign

The function

f

is given by

f (x) = x^{\frac{1}{7}} (x^{2} - x + 1) .

Find the fraction of the interval

0 < x < 1

for which

f (x)

is decreasing.

Discussion

No discussions yet. Stuck, or want to share an approach? Start the first one.