In below questions, it seems that my Matlab codes are wrong because of the weird answers(value of F, G).

Please find what is wrong with my Matlab code or comment.

fra) CE[-100,100] 127 d ( 1100 foc) dx clc: close alli clear: syms x; expr = 1/sqrt(2*pi) *exp(-(x. 2)/2); F = int(expr. [-100,100]) F = (718670522143291342 (1/2)*pi (1/2) *erf (50+2" (1/2)/18014398509481984 forg 2527 2. so goe) doc When glac) = I want ( Taylor series of f(x) until 2nd derivative) -897799149787506656525/6755399441055744 clc: close alli cleari >> -897799149787506656525/6755399441055744 syms x; g = 1/sart(2*pi) + (-1/(2*sqrt(2*pi)))+(x. 2): ans = expr = g; G = int(expr. (-100,100]) -1.3290e+05