QUESTION $1)(50$P$)$ Solve the given frame with "Virtual Force Method" and sketch the moment diagram. Selection of primary structure depends on your choice.

Note: Be aware of the hinges at joint $"F"$ and joint $"C"$

Note : $"$EI$"$ is constant and equal for all members

struture depends on your choice.

Note s Be anare of the hilnges at foint $\text{'}F\text{'}$ and joint $\text{'}C$

Note: $"$El$"$ is censtart and equal for all mambers