Question Number 34266 by math khazana by abdo last updated on 03/May/18
$$\left.\mathrm{1}\right)\:{find}\:{the}\:{relation}\:{between}\:\int_{{x}} ^{+\infty} \:{e}^{−{t}^{\mathrm{2}} } {dt}\:\:{and} \\ $$$$\int_{{x}} ^{+\infty} \:\:\:\frac{{e}^{−{t}^{\mathrm{2}} } }{{t}^{\mathrm{2}} }{dt} \\ $$$$\left.\mathrm{2}\right)\:{guive}\:{a}\:{equivalent}\:{to}\:\int_{{x}} ^{+\infty} \:{e}^{−{t}^{\mathrm{2}} } {dt}\:{when}\:{x}\rightarrow+\infty \\ $$