4.則 \( Y_{12} \) 及 \( Y_{22} \) 之值為何?
(A) \( Y_{12} = -\frac{1}{30}\text{S} \),\( Y_{22} = \frac{1}{10}\text{S} \)
(B) \( Y_{12} = \frac{1}{30}\text{S} \),\( Y_{22} = -\frac{1}{10}\text{S} \)
(C) \( Y_{12} = -\frac{1}{56}\text{S} \),\( Y_{22} = \frac{1}{14}\text{S} \)
(D) \( Y_{12} = \frac{1}{56}\text{S} \),\( Y_{22} = -\frac{1}{14}\text{S} \)

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