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[" Q.3Inafunction "2f(x)+xf((1)/(x))-2f(sqrt(2)sin(pi(x+(1)/(4))))=4cos^(2)(pi x)/(2)+x cos(pi)/(x)],[" Prove that "quad [" (i) "," f(2) "+f(1/2)=1]" and "quad [" (ii) ",f(2)+f(1)=0]]

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