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1. |
\[f(x)=f(2-x),\] then \[\int_{\,0.5}^{\,1.5}{\,xf(x)\,dx}\] equals [AMU 1999] |
A. | \[\int_{\,0}^{\,1}{\,f(x)\,dx}\] |
B. | \[\int_{\,0.5}^{\,1.5}{\,f(x)\,dx}\] |
C. | \[2\int_{\,0.5}^{\,1.5}{\,f(x)\,dx}\] |
D. | 0 |
Answer» C. \[2\int_{\,0.5}^{\,1.5}{\,f(x)\,dx}\] | |