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let-f-x-1-3-arctan-x-x-t-dt-withx-gt-0-1-determine-a-explicit-form-of-f-x-2-give-f-x-at-form-of-integral-and-find-its-value-3-calculate-1-3-arctan-1-1-t-dt-and-1-3-ar




Question Number 58187 by maxmathsup by imad last updated on 19/Apr/19
let f(x) =∫_1 ^3  arctan(x+(x/t))dt   withx>0  1) determine a explicit form of f(x)  2)  give f^′ (x) at form of integral and find its value  3) calculate ∫_1 ^3  arctan(1+(1/t))dt   and    ∫_1 ^3  arctan(2+(2/t))dt .  4) calculate ∫_1 ^3   (2t−1)arctan(1+(1/t))dt .
letf(x)=13arctan(x+xt)dtwithx>01)determineaexplicitformoff(x)2)givef(x)atformofintegralandfinditsvalue3)calculate13arctan(1+1t)dtand13arctan(2+2t)dt.4)calculate13(2t1)arctan(1+1t)dt.

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