यदि $A$ कोटि $3 \times 3$ का कोई वर्ग आव्यूह है,तो $|3A|$ किसके बराबर है?

  • A
    $3|A|$
  • B
    $\frac{1}{3}|A|$
  • C
    $27|A|$
  • D
    $9|A|$

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सारणिकों के गुणधर्मों का उपयोग करके दर्शाइए कि:
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