\(9x^2-30x+25-4y^2\) का गुणनखंडन क्या है?

What is the factorisation of \(9x^2-30x+25-4y^2\)?

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

A. ((3x-5-2y)(3x-5+2y))

Step 1

Concept

First identify (9x-2-30x+25=(3x-5)2). Then subtract (4y-2=(2y)2) and use difference of squares.

Step 2

Why this answer is correct

The correct answer is A. ((3x-5-2y)(3x-5+2y)). First identify (9x-2-30x+25=(3x-5)2). Then subtract (4y-2=(2y)2) and use difference of squares.

Step 3

Exam Tip

पहले (9x-2-30x+25=(3x-5)2) पहचानें। फिर (4y-2=(2y)2) घटाकर वर्गों का अंतर लगाएं।

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Mathematics Answer, Explanation and Revision Hints

\(9x^2-30x+25-4y^2\) का गुणनखंडन क्या है? / What is the factorisation of \(9x^2-30x+25-4y^2\)?

Correct Answer: A. ((3x-5-2y)(3x-5+2y)). Explanation: पहले (9x-2-30x+25=(3x-5)2) पहचानें। फिर (4y-2=(2y)2) घटाकर वर्गों का अंतर लगाएं। / First identify (9x-2-30x+25=(3x-5)2). Then subtract (4y-2=(2y)2) and use difference of squares.

Which concept should I revise for this Mathematics MCQ?

First identify (9x-2-30x+25=(3x-5)2). Then subtract (4y-2=(2y)2) and use difference of squares.

What exam hint can help solve this Mathematics question?

पहले (9x-2-30x+25=(3x-5)2) पहचानें। फिर (4y-2=(2y)2) घटाकर वर्गों का अंतर लगाएं।