एक वर्गाकार मॉडल में क्षेत्रफल \(16p^2-40pq+25q^2\) है। यह किस भुजा वाले वर्ग को दिखाता है?

A square model has area \(16p^2-40pq+25q^2\). It represents a square with which side?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

C. (4p-5q)

Step 1

Concept

Here (16p-2=(4p)2) and (25q-2=(5q)2), and the middle term is negative. Exam tip: check both signs and square roots.

Step 2

Why this answer is correct

The correct answer is C. (4p-5q). Here (16p-2=(4p)2) and (25q-2=(5q)2), and the middle term is negative. Exam tip: check both signs and square roots.

Step 3

Exam Tip

(16p-2=(4p)2) और (25q-2=(5q)2) हैं तथा मध्य पद ऋण है। परीक्षा में संकेत और वर्गमूल दोनों जांचें।

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एक वर्गाकार मॉडल में क्षेत्रफल \(16p^2-40pq+25q^2\) है। यह किस भुजा वाले वर्ग को दिखाता है? / A square model has area \(16p^2-40pq+25q^2\). It represents a square with which side?

Correct Answer: C. (4p-5q). Explanation: (16p-2=(4p)2) और (25q-2=(5q)2) हैं तथा मध्य पद ऋण है। परीक्षा में संकेत और वर्गमूल दोनों जांचें। / Here (16p-2=(4p)2) and (25q-2=(5q)2), and the middle term is negative. Exam tip: check both signs and square roots.

Which concept should I revise for this Mathematics MCQ?

Here (16p-2=(4p)2) and (25q-2=(5q)2), and the middle term is negative. Exam tip: check both signs and square roots.

What exam hint can help solve this Mathematics question?

(16p-2=(4p)2) और (25q-2=(5q)2) हैं तथा मध्य पद ऋण है। परीक्षा में संकेत और वर्गमूल दोनों जांचें।