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JEE Mains · Maths · STD 12 - 3 and 4 . metrices and determinant

यदि रैखिक समीकरण निकाय \(2 x+2 y+3 z=a\), \(3 x-y+5 z=b\), \(x-3 y+2 z=c\) जहाँ \(a , b , c\) शून्येतर वास्तविक संख्यायें है, के एक से अधिक हल हैं, तो

  1. A \(b \,-\, c \,+\, a = 0\)
  2. B \(b\, -\, c\, -\,a = 0\)
  3. C \(a \,+\, b\, +\, c = 0\)
  4. D \(b \,+ \,c\, -\,a = 0\)
Verified Solution

Answer & Solution

Correct Answer

(B) \(b\, -\, c\, -\,a = 0\)

Step-by-step Solution

Detailed explanation

\(2x+2y+3z=a\) \((1)\) \(3x-y+5z=b\) \((2)\) \(x-3y+2z=c\) \((3)\) \((2x+2y+3z)+(x-3y+2z)-(3x-y+5z)=0\) \( \Rightarrow \) \(a+c-b=0\)
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