\(25x^2+30xy+9y^2-49\) का गुणनखंड रूप क्या है?

What is the factorised form of \(25x^2+30xy+9y^2-49\)?

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

A. ((5x+3y-7)(5x+3y+7))

Step 1

Concept

First (25x-2+30xy+9y-2=(5x+3y)2). In exams, solve it like \(A^2-7^2\).

Step 2

Why this answer is correct

The correct answer is A. ((5x+3y-7)(5x+3y+7)). First (25x-2+30xy+9y-2=(5x+3y)2). In exams, solve it like \(A^2-7^2\).

Step 3

Exam Tip

पहले (25x-2+30xy+9y-2=(5x+3y)2) है। परीक्षा में इसे \(A^2-7^2\) की तरह हल करें।

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Mathematics Answer, Explanation and Revision Hints

\(25x^2+30xy+9y^2-49\) का गुणनखंड रूप क्या है? / What is the factorised form of \(25x^2+30xy+9y^2-49\)?

Correct Answer: A. ((5x+3y-7)(5x+3y+7)). Explanation: पहले (25x-2+30xy+9y-2=(5x+3y)2) है। परीक्षा में इसे \(A^2-7^2\) की तरह हल करें। / First (25x-2+30xy+9y-2=(5x+3y)2). In exams, solve it like \(A^2-7^2\).

Which concept should I revise for this Mathematics MCQ?

First (25x-2+30xy+9y-2=(5x+3y)2). In exams, solve it like \(A^2-7^2\).

What exam hint can help solve this Mathematics question?

पहले (25x-2+30xy+9y-2=(5x+3y)2) है। परीक्षा में इसे \(A^2-7^2\) की तरह हल करें।