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18480227-378426.jpeg
18480227-378426.jpeg

w (x) =
P
6EI
x2 (3L - 2),
estimate accuracy of the approximation (M/ EI ~ -w") relative to w", that is, estimate upper error
bound of M/ EIw" in terms of P, L, E and I.

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IMG_20191201_193144__01.jpg

We are given
M
EI
[1+ ( co' ) 273/ 2
M
EI ( "
( + ( @ 3 29 31 = [1 + ( w / j zg - 3 / 2
By expanding it bmomially we get
M
+ + ( - 3 1 ( 5 ) ( 1 1 ( w ') 6 + ....
for 10'1 1 we get
M
EI...

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