1.

Which of the following expression is correct?

A. ( frac{L_N}{L_{N+1}} = frac{S_N}{S_{N+1}} = )
B. ( frac{L_N}{L_{N+1}} = frac{S_{N+1}}{S_N} = )
C. ( frac{L_N}{L_{N+1}} = frac{S_{N+1}}{S_N} = frac{1}{ } )
D. ( frac{L_N}{L_{N+1}} = frac{S_N}{S_{N+1}} = frac{1}{ } )
Answer» B. ( frac{L_N}{L_{N+1}} = frac{S_{N+1}}{S_N} = )


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