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সূত্রের সাহায্যে বর্গ নির্ণয় কর: $1007$

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সূত্রের সাহায্যে বর্গ নির্ণয় করা হলো :

$1007$ এর বর্গ

$= (1007)^2$

$= (1000+7)^2$

$= 1000^2+2\cdot1000\cdot7+7^2$

$=1000000+14000+49$

$=1014049$ [Answer]
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Rules Applied:

  • $(a+b)^2=a^2+2ab+b^2$

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