 
			 
			MCQOPTIONS
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				| 1. | To find the values at the current time-step, the Crank-Nicolson scheme uses ___________ | 
| A. | t- t and t+ t steps | 
| B. | t- t and t-2 t steps | 
| C. | t+ t and t+2 t steps | 
| D. | t and t+ t steps | 
| Answer» C. t+ t and t+2 t steps | |