Course home

3.5.2 Differentiation (A-level only)

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98

Question 82

A signal's intensity, $S$ , measured at a distance $x\,$ from a source (for $x > 0$ ), is modeled by the equation

\frac{e^{0.5x - 2}}{x^2}

Show that the signal intensity has exactly one stationary point. Fully justify your answer.

[4]

Markscheme

3.5.2 Differentiation (A-level only) Questions

A Level
Maths
3.5.2 Differentiation (A-level only)

109 exam-style questions on CCEA A Level Maths 3.5.2 Differentiation (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

3.5.2 Differentiation (A-level only)

Question bank

3.5.2 Differentiation (A-level only)

Easy Medium Hard

Question 82

A signal's intensity, $S$ , measured at a distance $x\,$ from a source (for $x > 0$ ), is modeled by the equation

\frac{e^{0.5x - 2}}{x^2}

Show that the signal intensity has exactly one stationary point. Fully justify your answer.

[4]

Markscheme

3.5.2 Differentiation (A-level only) Questions

A Level
Maths
3.5.2 Differentiation (A-level only)

109 exam-style questions on CCEA A Level Maths 3.5.2 Differentiation (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.