MCQMathematics

CBSE · Class 9 · Mathematics · PolynomialsFactorize 4x^2 - 9y^2 using an appropriate identity.

Step-by-Step Solution

Using the identity a^2 - b^2 = (a - b)(a + b), we can write 4x^2 - 9y^2 as (2x)^2 - (3y)^2. This expands to (2x - 3y)(2x + 3y).

Detailed Options Breakdown
Option : (2x - 3y)(2x - 3y)

Incorrect choice. This distractor represents a common misunderstanding of the core principles of Polynomials.

Option 1: (2x + 3y)(2x + 3y)

Incorrect choice. This distractor represents a common misunderstanding of the core principles of Polynomials.

Option 2: (2x - 3y)(2x + 3y) (Correct Answer)

Correct choice. Refer to the step-by-step verified solution guidelines above for details.

Option 3: (4x - 9y)(x + y)

Incorrect choice. This distractor represents a common misunderstanding of the core principles of Polynomials.

💡 Study Guide: This question tests core syllabus concepts from Polynomials. For formulas, key summaries, and mock exam reference guides, read the full Polynomials Revision Notes.
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