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বর্গের সাহায্যে, সরল কর: $6.35\times6.35+2\times6.35\times3.65$$+3.65\times3.65$

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বর্গের সাহায্যে, সরল কর: $6.35\times6.35+2\times6.35\times3.65$$+3.65\times3.65$

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বর্গের সাহায্যে সরল করা হলো:

$6.35\times6.35+2\times6.35\times3.65$$+3.65\times3.65$

$=\left(6.35\right)^2+2\times6.35\times3.65$$+\left(3.65\right)^2$

$=\left(6.35+3.65\right)^2$

$=\left(10\right)^2$

$=100$ [Answer]

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Rules Applied :

  • $a^2+2ab+b^2=(a+b)^2$

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