भुजा (x-2) वाले वर्ग में मध्य भाग का कुल क्षेत्रफल क्या होगा?

In a square with side (x-2), what will be the total area of the middle part?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

B. (-4x)

Step 1

Concept

In ((x-2)2), the middle part is \(2\cdot x\cdot -2=-4x\). Exam tip: keep the sign of the subtraction part.

Step 2

Why this answer is correct

The correct answer is B. (-4x). In ((x-2)2), the middle part is \(2\cdot x\cdot -2=-4x\). Exam tip: keep the sign of the subtraction part.

Step 3

Exam Tip

((x-2)2) में मध्य भाग \(2\cdot x\cdot -2=-4x\) है। परीक्षा में घटाव वाले भाग का चिन्ह रखें।

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Mathematics Answer, Explanation and Revision Hints

भुजा (x-2) वाले वर्ग में मध्य भाग का कुल क्षेत्रफल क्या होगा? / In a square with side (x-2), what will be the total area of the middle part?

Correct Answer: B. (-4x). Explanation: ((x-2)2) में मध्य भाग \(2\cdot x\cdot -2=-4x\) है। परीक्षा में घटाव वाले भाग का चिन्ह रखें। / In ((x-2)2), the middle part is \(2\cdot x\cdot -2=-4x\). Exam tip: keep the sign of the subtraction part.

Which concept should I revise for this Mathematics MCQ?

In ((x-2)2), the middle part is \(2\cdot x\cdot -2=-4x\). Exam tip: keep the sign of the subtraction part.

What exam hint can help solve this Mathematics question?

((x-2)2) में मध्य भाग \(2\cdot x\cdot -2=-4x\) है। परीक्षा में घटाव वाले भाग का चिन्ह रखें।