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Question Number 137378 by benjo_mathlover last updated on 02/Apr/21
Given∫0xf(t)dt=x2sin(πx)findf(2).
Answered by EDWIN88 last updated on 02/Apr/21
ddx[∫0xf(t)dt]=ddx[x2sin(πx)]⇒f(x)=2xsin(πx)+πx2cos(πx)⇒f(2)=4sin(2π)+4πcos(2π)=4π
Answered by mathmax by abdo last updated on 02/Apr/21
∫0xf(t)dt=x2sin(πx)⇒f(x)=2xsin(πx)+πx2cos(πx)⇒f(2)=4sin(2π)+4πcos(2π)=4π
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