\(x^2+6x+9-y^2\) का सही गुणनखंड रूप क्या है?

What is the correct factorised form of \(x^2+6x+9-y^2\)?

Author: Muft Shiksha Editorial Team Published:
Explanation opens after your attempt
Correct Answer

D. ((x+3-y)(x+3+y))

Step 1

Concept

First treat \(x^2+6x+9\) as ((x+3)2). In exams, identify the perfect square and then use difference of squares.

Step 2

Why this answer is correct

The correct answer is D. ((x+3-y)(x+3+y)). First treat \(x^2+6x+9\) as ((x+3)2). In exams, identify the perfect square and then use difference of squares.

Step 3

Exam Tip

पहले \(x^2+6x+9\) को ((x+3)2) मानें। परीक्षा में पूर्ण वर्ग को पहचानकर वर्गों के अंतर का प्रयोग करें।

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Mathematics Answer, Explanation and Revision Hints

\(x^2+6x+9-y^2\) का सही गुणनखंड रूप क्या है? / What is the correct factorised form of \(x^2+6x+9-y^2\)?

Correct Answer: D. ((x+3-y)(x+3+y)). Explanation: पहले \(x^2+6x+9\) को ((x+3)2) मानें। परीक्षा में पूर्ण वर्ग को पहचानकर वर्गों के अंतर का प्रयोग करें। / First treat \(x^2+6x+9\) as ((x+3)2). In exams, identify the perfect square and then use difference of squares.

Which concept should I revise for this Mathematics MCQ?

First treat \(x^2+6x+9\) as ((x+3)2). In exams, identify the perfect square and then use difference of squares.

What exam hint can help solve this Mathematics question?

पहले \(x^2+6x+9\) को ((x+3)2) मानें। परीक्षा में पूर्ण वर्ग को पहचानकर वर्गों के अंतर का प्रयोग करें।