Question 20. The arc of the parabola y =x² from (1,1) to (2,4) is rotated about the y-axis. Find the area of the resulting surface, considering that the formula for the surface area of a body of revolution around y axis is as follows: 2 dy 2Tx11+ dx S = dx. [a] TV17 [b] {(17/17– 5V5) [e] not in the list [c] {(5/5) [d] a(17/17– 5V5)

Advanced Engineering Mathematics
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Chapter2: Second-order Linear Odes
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Question 20. The arc of the parabola y =x² from (1,1) to (2,4) is rotated about the y-axis. Find the
area of the resulting surface, considering that the formula for the surface area of a body of revolution
around y axis is as follows:
2
dy
2Tx11+
dx
S =
dx.
[a]
TV17
[b]
{(17/17– 5V5)
[e]
not in the list
[c] {(5/5)
[d]
a(17/17– 5V5)
Transcribed Image Text:Question 20. The arc of the parabola y =x² from (1,1) to (2,4) is rotated about the y-axis. Find the area of the resulting surface, considering that the formula for the surface area of a body of revolution around y axis is as follows: 2 dy 2Tx11+ dx S = dx. [a] TV17 [b] {(17/17– 5V5) [e] not in the list [c] {(5/5) [d] a(17/17– 5V5)
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