Question Number 34262 by math khazana by abdo last updated on 03/May/18
$${find}\:{the}\:{nature}\:{of}\:\int_{\mathrm{2}} ^{+\infty} \left(\sqrt{\mathrm{1}+{t}^{\mathrm{2}} +{t}^{\mathrm{4}} \:}\:\:−{t}\:\:^{\mathrm{3}} \sqrt{{t}^{\mathrm{3}} +{at}}\right){dt} \\ $$$${a}\in{R}\:. \\ $$