((x-5)2) का सही विस्तार क्या है?
What is the correct expansion of ((x-5)2)?
Explanation opens after your attempt
B. \(x^2-10x+25\)
Concept
((x-5)2=x-2-2\cdot x\cdot5+25). Exam tip: note both the negative sign and (2ab).
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).
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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