please solve this.........!!
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249×251
= (250-1)(250+1)
By using the identity (a-b) (a+b)=a^2-b^2
=62500-1
= 625499
= (250-1)(250+1)
By using the identity (a-b) (a+b)=a^2-b^2
=62500-1
= 625499
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