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Q70Section I (Objective (Q1–Q80))70 of 80

Numerical Analysis — Lagrange interpolation at four nodes

It is given that f(0)=8f(0) = 8, f(1)=11f(1) = 11, f(4)=68f(4) = 68 and f(5)=120f(5) = 120. What is the approximate value of f(2)f(2) if it is obtained by applying Lagrange's interpolation formula?

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