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Question Number 83899 by john santu last updated on 07/Mar/20
Definedafunctionf(x)such thatf(1−x)+2f(x)=nx form,n>1,thevalueof ∫m1(2n+6f(mx))dxis...
Commented byjohn santu last updated on 07/Mar/20
replace1−xbyxineq1 f(x)+2f(1−x)=n(1−x)(eq2) ⇒4f(x)+2f(1−x)=2nx ⇒f(x)+2f(1−x)=n−nx substract(1)by(2) 3f(x)=3nx−n⇒f(x)=nx−n3 f(mx)=nmx−n3 ∫m1(2n+6(nmx−n3))dx= ∫m1(2n+6mnx−2n)dx=mln(m)6n
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