1.

If N is the number of unknowns, the number of operations required for backward substitution is ____________

A. ( frac{N^3}{3} )
B. ( frac{N^3}{2} )
C. ( frac{N^2}{2} )
D. ( frac{N^2}{3} )
Answer» D. ( frac{N^2}{3} )


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