IGNOU BCS-054-Computer Oriented Numerical Techniques, Latest Solved Assignment (July 2023 - January 2024 )
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Q4. (a) Find Lagrange’s interpolating polynomial for the following data.Hence obtain the value of f(4).
x 0 2 3 5
f(x) 2 11 21 121
Ans.
(b) Using the inverse Lagrange’s interpolation, find the value of xwheny=3 for the following data:
x 25 35 55 75
y=f(x) -2 -1 1 5
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