Use double integration Method to set elastic curve, slope eq and deflection at B. ( E=10,000 ) kips, ( I=400 ). Use double-integration method to determine 1) the elastic curve of the beam; 2) the deflection and s. a) ( E=10,000 ) kips b) ( I=400 ) c) ( du/dt = 3.6 - 0.06u ) d) None of the above