Using slope-deflection method, the stiffness KAB and KBC of a beam shown below respectively are
1
\(\frac{15 EI}{8} \ \text{and} \ \frac{2EI}{8}\)
2
\(\frac{EI}{2} \ \text{and} \ \frac{3EI}{8}\)
3
\(\frac{3 EI}{4} \ \text{and} \ \frac{3EI}{4}\)
4
\(\frac{1.5 EI}{8} \ \text{and} \ \frac{EI}{4}\)