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in Determinants by (40.4k points)
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Δ =  \(\begin{vmatrix}a_{11}&a_{12}&a_{13}\\ a_{21}&a_{22}&a_{23}\\ a_{31}&a_{32}&a_{33}\end{vmatrix}\) तथा a11, a12, a13, … के संगत सहखण्ड क्रमशः F11, F12, F13, … हों, तो सत्य कथन है-

(a) a12F12 + a22F22 + a32F32 = 0

(b) a12F12 + a22F22 + a32F32 ≠ ∆

(c) a12F12 + a22F22 + a32F32 = – ∆

(d) a12F12 + a22F22 + a32F32 = – ∆

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by (40.7k points)

(c) a12F12 + a22F22 + a32F32 = ∆

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