Differentiation and Integration 1
1
0/8
f(x)=(3−4x)2x,x>0. f(x) = \frac{(3 - 4\sqrt{x})^2}{\sqrt{x}}, \quad x > 0. f(x)=x​(3−4x​)2​,x>0.
a.

Show that f(x)=9x−12+Ax12+B\displaystyle f(x) = 9x^{-\frac{1}{2}} + Ax^{\frac{1}{2}} + Bf(x)=9x−21​+Ax21​+B, where A A\,A and B B\,B are constants to be found.

[3]
b.

Find f′(x)f'(x)f′(x).

[3]
c.

Evaluate f′(9)f'(9)f′(9).

[2]

Differentiation and Integration 1 Questions

Practise Edexcel A Level Old Maths Differentiation and Integration 1 with exam-style questions for A Level Old Maths. 19 questions, matched to the Edexcel A Level Old Maths (9371) specification and written in Unit exams C1, C2, C3 and C4 plus two applied units (e.g. S1 and M1) style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.

Next

Differentiation and Integration 1 Questions

  1. A Level
  2. /Old Maths
  3. /Differentiation and Integration 1