Question: MATLAB - PLEASE HELP Let f(x)=x x (a) Find the quadratic Lagrange polynomial P 2 (x) using the nodes x 0 =1,x 1 =1.25,x 2

MATLAB - PLEASE HELP

Let f(x)=xx

(a) Find the quadratic Lagrange polynomial P2(x) using the nodes x0=1,x1=1.25,x2=1.5

(b) Use the polynomial from (a) to estimate the average value of f(x) over the interval [1,1.5]

(c) Estimate the error in approximating f(x) with P2(x)

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