Question
Download Solution PDFयदि \( \Delta = \begin{vmatrix} a & b & c \\ d & e & f \\ g & h & i \end{vmatrix} \)
और A, B, C, D, G अवयवों a, b, c, d, g के क्रमशः सहखंड हैं, तो किसके बराबर है?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFगणना:
सहखंड:
⇒ A = ei - hf
⇒ B = gf - di,
⇒ C = dh - ge
⇒ D = ch - bi और
⇒ G = bf - ec
अब, bB + cC - dD - gG
= bgf - bdi + cdh - cge - cdh + bdi - gbf + gec = 0
इसलिए, सही उत्तर विकल्प 1 है।
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