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Category: Integration

let-f-x-0-cos-pixt-t-2-3x-2-2-dt-with-x-gt-0-1-find-a-explicit-form-for-f-x-2-find-the-value-of-0-cos-pit-t-2-3-2-dt-3-let-U-n-f-n-find-nature-of-U-n-

Question Number 57900 by maxmathsup by imad last updated on 13/Apr/19 letf(x)=0cos(πxt)(t2+3x2)2dtwithx>01)findaexplicitformforf(x)$$\left.\mathrm{2}\right)\:{find}\:{the}\:{value}\:{of}\:\int_{\mathrm{0}} ^{\infty} \:\:\:\frac{{cos}\left(\pi{t}\right)}{\left({t}^{\mathrm{2}} \:+\mathrm{3}\right)^{\mathrm{2}} }{dt}…