4 marksDifferentiation I
CAPE Pure Mathematics Unit 1 · May/June 2005 · Paper 2 · Question 5(b)
If y = A/x + Bx, where A and B are constants, show that x(d²y/dx²) + x(dy/dx) = y.
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Practise this questionOther parts of this question
- 5(a)(i)State the value of lim(u→0) (sin u)/u.[1 mark]
- 5(a)(ii)By means of the substitution u = 3x, show that lim(x→0) (sin 3x)/x = 3.[4 marks]
- 5(a)(iii)Hence, evaluate lim(x→0) (sin 3x)/(sin 5x).[4 marks]
- 5(c)(i)Find the coordinates of P.[3 marks]
- 5(c)(ii)Find the volume of the solid generated by rotating the shaded area through 2π radians about the x-axis.[4 marks]
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