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Specialist2024 Exam 2 Section A · Q10CAS active1 mark

Surface area of a rotated line segment

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The curve defined by the parametric equations

$x = 5t$ , $y = 12t$ , for $0 \le t \le k$

is rotated about the $y$ -axis to form a surface of revolution.

The area of this surface is

1 mark

A

65k^2\pi

B

130k^2\pi

C

156k^2\pi

D

825k^2\pi

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