एक घटाव मॉडल \(16x^2-40xy+25y^2\) दिखाता है। यह किस भुजा वाले वर्ग का क्षेत्रफल है?

A subtraction model shows \(16x^2-40xy+25y^2\). It is the area of a square with which side?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

B. (4x-5y)reduced side

Step 1

Concept

(16x-2=(4x)2), (25y-2=(5y)2), and the middle term is \(-2\cdot4x\cdot5y\). In exams check all three parts of a perfect square.

Step 2

Why this answer is correct

The correct answer is B. (4x-5y) / reduced side. (16x-2=(4x)2), (25y-2=(5y)2), and the middle term is \(-2\cdot4x\cdot5y\). In exams check all three parts of a perfect square.

Step 3

Exam Tip

(16x-2=(4x)2), (25y-2=(5y)2), और मध्य पद \(-2\cdot4x\cdot5y\) है। परीक्षा में पूर्ण वर्ग के तीनों भाग जांचें।

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एक घटाव मॉडल \(16x^2-40xy+25y^2\) दिखाता है। यह किस भुजा वाले वर्ग का क्षेत्रफल है? / A subtraction model shows \(16x^2-40xy+25y^2\). It is the area of a square with which side?

Correct Answer: B. (4x-5y) / reduced side. Explanation: (16x-2=(4x)2), (25y-2=(5y)2), और मध्य पद \(-2\cdot4x\cdot5y\) है। परीक्षा में पूर्ण वर्ग के तीनों भाग जांचें। / (16x-2=(4x)2), (25y-2=(5y)2), and the middle term is \(-2\cdot4x\cdot5y\). In exams check all three parts of a perfect square.

Which concept should I revise for this Mathematics MCQ?

(16x-2=(4x)2), (25y-2=(5y)2), and the middle term is \(-2\cdot4x\cdot5y\). In exams check all three parts of a perfect square.

What exam hint can help solve this Mathematics question?

(16x-2=(4x)2), (25y-2=(5y)2), और मध्य पद \(-2\cdot4x\cdot5y\) है। परीक्षा में पूर्ण वर्ग के तीनों भाग जांचें।