Example 19.30. Prove that Lagrange's formula for the arguments x1, x2, ... , X, can be put in the form : Ux = E | $(x).Ux, (x – x,) o'(x,)]' , where d(x) = II (x- x,). r = 1 r = 1

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Example 19.30. Prove that Lagrange's formula for the arguments x1, x2, ... , X, can be
put in the form :
Uz = E where o(x) = II (x – x,).
Þ(x).Ux,
- x,) O'(x,)
where 0(x) = II (x – x,).
%3D
r = 1
r = 1
Transcribed Image Text:Example 19.30. Prove that Lagrange's formula for the arguments x1, x2, ... , X, can be put in the form : Uz = E where o(x) = II (x – x,). Þ(x).Ux, - x,) O'(x,) where 0(x) = II (x – x,). %3D r = 1 r = 1
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