Written onNovember 2020 - Paper 1Question 77.17.17.1 Determine f′(x)f^\prime (x)f′(x) from first principles if f(x)=2x2−1f(x)=2x^2-1f(x)=2x2−1. (5)(5)(5)7.27.27.2 Determine:7.2.1\quad 7.2.17.2.1 ddx(x25+x3)\frac{\displaystyle d}{\displaystyle dx}(\sqrt[5]{x^2}+x^3)dxd(5x2+x3) (3)(3)(3)7.2.2\quad 7.2.27.2.2 f′(x)f^\prime (x)f′(x) if f(x)=4x2−94x+6 f(x)=\frac{\displaystyle 4x^2-9}{\displaystyle 4x+6}\:f(x)=4x+64x2−9 ; x≠−32x\neq -\frac{\displaystyle 3}{\displaystyle 2}x=−23 (4)(4)(4)[12]\textbf{[12]}[12]