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Question Number 136259 by liberty last updated on 20/Mar/21
Given2f(x)+f(1x)=6x+3xthen∫12f(x)dx=?
Answered by EDWIN88 last updated on 20/Mar/21
Replacingxby1xgives⇒2f(1x)+f(x)=6x+3x...(2)aftersolvingwegetf(x)=3x∫12f(x)dx=[3x22]12=92
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