The 2nd degree polynomial that interpolates to f(x): = 2cosx - sinx at x = 0, x = π/2 and x = π is best described by O A P(x) = 8 - 10.1859x + 1.6211x² OB. R(x) = 4- 5.0929x+0.8106x² OCQ(x) = 6 - 7.6394x + 1.2159x² OD. S (x) = 2 - 2.5465x+0.4053x²

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