( (x+2+y)2 ) में (2xy) क्यों आएगा?

Why will (2xy) appear in ( (x+2+y)2 )?

Explanation opens after your attempt
Correct Answer

B. क्योंकि (x) और (y) की जोड़ी का दोहरा गुणन आता हैBecause the double product of the pair (x) and (y) appears

Step 1

Concept

In the square of three terms, the double product of each pair appears. Exam tip: write terms by making pairs.

Step 2

Why this answer is correct

The correct answer is B. क्योंकि (x) और (y) की जोड़ी का दोहरा गुणन आता है / Because the double product of the pair (x) and (y) appears. In the square of three terms, the double product of each pair appears. Exam tip: write terms by making pairs.

Step 3

Exam Tip

तीन पदों के वर्ग में हर जोड़ी का दोहरा गुणन आता है। परीक्षा में जोड़ी बनाकर पद लिखें।

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Mathematics Answer, Explanation and Revision Hints

( (x+2+y)2 ) में (2xy) क्यों आएगा? / Why will (2xy) appear in ( (x+2+y)2 )?

Correct Answer: B. क्योंकि (x) और (y) की जोड़ी का दोहरा गुणन आता है / Because the double product of the pair (x) and (y) appears. Explanation: तीन पदों के वर्ग में हर जोड़ी का दोहरा गुणन आता है। परीक्षा में जोड़ी बनाकर पद लिखें। / In the square of three terms, the double product of each pair appears. Exam tip: write terms by making pairs.

Which concept should I revise for this Mathematics MCQ?

In the square of three terms, the double product of each pair appears. Exam tip: write terms by making pairs.

What exam hint can help solve this Mathematics question?

तीन पदों के वर्ग में हर जोड़ी का दोहरा गुणन आता है। परीक्षा में जोड़ी बनाकर पद लिखें।

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