( (x+y+z)2-x-2-y-2-z-2 ) का सरल रूप कौन-सा है?

Which is the simplified form of ( (x+y+z)2-x-2-y-2-z-2 )?

Explanation opens after your attempt
Correct Answer

B. (2xy+2yz+2zx)सही पद

Step 1

Concept

After removing square terms from a three-term square, only double products remain. Exam tip: remember (2xy), (2yz), (2zx).

Step 2

Why this answer is correct

The correct answer is B. (2xy+2yz+2zx) / सही पद. After removing square terms from a three-term square, only double products remain. Exam tip: remember (2xy), (2yz), (2zx).

Step 3

Exam Tip

तीन पदों के वर्ग में वर्ग पद हटाने पर केवल दोहरे गुणन पद बचते हैं। परीक्षा में (2xy), (2yz), (2zx) याद रखें।

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Mathematics Answer, Explanation and Revision Hints

( (x+y+z)2-x-2-y-2-z-2 ) का सरल रूप कौन-सा है? / Which is the simplified form of ( (x+y+z)2-x-2-y-2-z-2 )?

Correct Answer: B. (2xy+2yz+2zx) / सही पद. Explanation: तीन पदों के वर्ग में वर्ग पद हटाने पर केवल दोहरे गुणन पद बचते हैं। परीक्षा में (2xy), (2yz), (2zx) याद रखें। / After removing square terms from a three-term square, only double products remain. Exam tip: remember (2xy), (2yz), (2zx).

Which concept should I revise for this Mathematics MCQ?

After removing square terms from a three-term square, only double products remain. Exam tip: remember (2xy), (2yz), (2zx).

What exam hint can help solve this Mathematics question?

तीन पदों के वर्ग में वर्ग पद हटाने पर केवल दोहरे गुणन पद बचते हैं। परीक्षा में (2xy), (2yz), (2zx) याद रखें।

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