Easy Math Class 12 Level 5

If IA=A, what is I?

यदि IA=A हो तो I क्या है?

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Correct Answer

A. Identity matrix

Explanation

Step 1: Identify identity matrix. Step 2: Identity matrix keeps a matrix unchanged under multiplication. so the correct option follows. Step 3: In exam questions apply the formula first.

Step 1: identity matrix पहचानें। Step 2: identity matrix multiplication में matrix को unchanged रखती है। इसलिए सही विकल्प मिलता है। Step 3: ऐसे प्रश्नों में पहले सूत्र लगाएँ।

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