Question: The cross section of a channel beam with double flanges and constant thickness throughout the section is shown in the figure. Derive the following formula

The cross section of a channel beam with double flanges and constant thickness throughout the section is shown in the figure.
Derive the following formula for the distance e from the centerline of the web of the shear center S:

36(h? + h3) + h3) le h + 6b(h + h3)

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