Calculate the order of the local truncation error of the Crank-Nicolson method for approximating the heat equation given by du = 0 dx² - at the point (ih, jk).

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Q: A- Find asymptotes for the following functions: +2x (1) x²+ x x+4x (2) 2x (3) (x+1)(x-1) x2-1

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A: cubic polynomial is of form y=ax³+bx²+cx+d 

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