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(c) using the result of (D), express the error estimate in term Of Wmax / L Where Wmax Is the maximum
displacement that occurs at x = L, namely,
Wmax = W(L)
PL3
Wmax
PL2
3EI
or
L
3EI
Then find the maximum relative displacement Wmax /L such that the approximation M/EI ~ -w"
is accurate within one-percent.

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