( (y-5)2 ) का सही विस्तार चुनिए।
Choose the correct expansion of ( (y-5)2 ).
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Correct Answer
B. \(y^2-10y+25\)
Concept
( (y-5)2=y-2-10y+25 ). Exam tip: keep the sign of the middle term correct.
Why this answer is correct
The correct answer is B. \(y^2-10y+25\). ( (y-5)2=y-2-10y+25 ). Exam tip: keep the sign of the middle term correct.
Exam Tip
( (y-5)2=y-2-10y+25 ) होता है। परीक्षा में मध्य पद का चिह्न सही रखें।
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