FF$03$

$1.$ Taylor series zero, first, second and third order approximation $$ f$($x$)=-0\mathrm{.}1$X$*-0\mathrm{.}15-0\mathrm{.}5$X$20\mathrm{.}25$x $+1\mathrm{.}2$ x $=0$ h $-1\mathrm{.}0$ Bapsed $$ pumber, $$