\(a^2+b^2+c^2+2ab-2ac-2bc\) का गुणनखंड रूप क्या है?

What is the factorised form of \(a^2+b^2+c^2+2ab-2ac-2bc\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

D. ( (a+b-c)2 )

Step 1

Concept

This is the perfect square of (a), (b), and (-c). Exam tip: decide signs from (2ab), (-2ac), and (-2bc).

Step 2

Why this answer is correct

The correct answer is D. ( (a+b-c)2 ). This is the perfect square of (a), (b), and (-c). Exam tip: decide signs from (2ab), (-2ac), and (-2bc).

Step 3

Exam Tip

यह (a), (b), (-c) का पूर्ण वर्ग है। परीक्षा में (2ab), (-2ac), (-2bc) से चिन्ह तय करें।

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Mathematics Answer, Explanation and Revision Hints

\(a^2+b^2+c^2+2ab-2ac-2bc\) का गुणनखंड रूप क्या है? / What is the factorised form of \(a^2+b^2+c^2+2ab-2ac-2bc\)?

Correct Answer: D. ( (a+b-c)2 ). Explanation: यह (a), (b), (-c) का पूर्ण वर्ग है। परीक्षा में (2ab), (-2ac), (-2bc) से चिन्ह तय करें। / This is the perfect square of (a), (b), and (-c). Exam tip: decide signs from (2ab), (-2ac), and (-2bc).

Which concept should I revise for this Mathematics MCQ?

This is the perfect square of (a), (b), and (-c). Exam tip: decide signs from (2ab), (-2ac), and (-2bc).

What exam hint can help solve this Mathematics question?

यह (a), (b), (-c) का पूर्ण वर्ग है। परीक्षा में (2ab), (-2ac), (-2bc) से चिन्ह तय करें।