Additional Mathematics 0606 / Calculus — Integration / 3.763.76: Partial fractions integration0606/12/O/N/22 — Question 9 · 9 marksMark as done · Save for later · Show all solutions(a)Show that 12x+1−1(2x+1)2+44x−1=24x2+14x+4(2x+1)2(4x−1)\dfrac{1}{2x + 1} - \dfrac{1}{(2x + 1)^{2}} + \dfrac{4}{4x - 1} = \dfrac{24x^{2} + 14x + 4}{(2x + 1)^{2}(4x - 1)}2x+11−(2x+1)21+4x−14=(2x+1)2(4x−1)24x2+14x+4.[2]▸ Answer(b)Hence find ∫12124x2+14x+4(2x+1)2(4x−1) dx\displaystyle\int_{\frac{1}{2}}^{1}\dfrac{24x^{2} + 14x + 4}{(2x + 1)^{2}(4x - 1)}\,\mathrm{d}x∫211(2x+1)2(4x−1)24x2+14x+4dx, giving your answer in the form 12ln p+q\dfrac{1}{2}\mathrm{ln}\,p + q21lnp+q, where ppp and qqq are rational numbers.[7]▸ Answer▸ Official mark scheme← 3.89: Recover f(x)f(x)f(x) from f′′(x)f''(x)f′′(x) and given values3.7: Finding f(x) from a second derivative →