((x-5)2) का सही विस्तार क्या है?

What is the correct expansion of ((x-5)2)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

B. \(x^2-10x+25\)

Step 1

Concept

((x-5)2=x-2-2\cdot x\cdot5+25). Exam tip: note both the negative sign and (2ab).

Step 2

Why this answer is correct

The correct answer is B. \(x^2-10x+25\). ((x-5)2=x-2-2\cdot x\cdot5+25). Exam tip: note both the negative sign and (2ab).

Step 3

Exam Tip

((x-5)2=x-2-2\cdot x\cdot5+25) है। परीक्षा में ऋण चिन्ह और (2ab) दोनों ध्यान रखें।

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Mathematics Answer, Explanation and Revision Hints

((x-5)2) का सही विस्तार क्या है? / What is the correct expansion of ((x-5)2)?

Correct Answer: B. \(x^2-10x+25\). Explanation: ((x-5)2=x-2-2\cdot x\cdot5+25) है। परीक्षा में ऋण चिन्ह और (2ab) दोनों ध्यान रखें। / ((x-5)2=x-2-2\cdot x\cdot5+25). Exam tip: note both the negative sign and (2ab).

Which concept should I revise for this Mathematics MCQ?

((x-5)2=x-2-2\cdot x\cdot5+25). Exam tip: note both the negative sign and (2ab).

What exam hint can help solve this Mathematics question?

((x-5)2=x-2-2\cdot x\cdot5+25) है। परीक्षा में ऋण चिन्ह और (2ab) दोनों ध्यान रखें।