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\int_{0}^{1}\frac{\log_{e}(1+x)}{1+x^2} ...
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A charged drop of oil of radius 2.76μm and density 920kg/m3 is held stationary in a vertically downward electric field of 1.65*106N/C.(i).Find the magnitude and sign of the charge on the drop.(ii) If the drop captures two el ...
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If f(x1) + f(x2) = f{(x1+x2)/(1+x1x2)} , find f(x). ...
