2.7: Product and quotient rule differentiation

0606/21/M/J/18 — Question 7 · 5 marks

(i)
Differentiate with respect to xx: 4xtanx4x\tan x.
[2]
(ii)
Differentiate with respect to xx: e3x+1x21\dfrac{\mathrm{e}^{3x + 1}}{x^{2} - 1}.
[3]