0606 P21 - Nov 2017 - Q5 - 6 marks
8653
(i) Find \(\dfrac{d}{dx}\left(\dfrac5{3x+2}\right)\).
(ii) Use your answer to part (i) to find \(\displaystyle\int\dfrac{30}{(3x+2)^2}\,dx\).
(iii) Hence evaluate \(\displaystyle\int_1^2\dfrac{30}{(3x+2)^2}\,dx\).
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