MCQ
एक मैट्रिक्स $A=\left[a_{2 j}\right]_{n \times n}$ सममित है यदि :
  • A
    $a_{i j}=0$
  • B
    $a_{i j}=-a_{j i}$
  • $a_{i j}=a_{j i}$
  • D
    ${a_ij}=1$

Answer

Correct option: C.
$a_{i j}=a_{j i}$
(C)

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