Math, asked by harshit8557, 1 year ago

evaluate using suitable identities = 1812-192​

Answers

Answered by bhaibavpandeypcvu5u
4

1812-192

= 1620

substraction method is used to solve this .

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Answered by kka25175
14

181^2-19^2

=(181+19)(181-19) [a^2-b^2=(a+b)(a-b)]

=200×62

=12400

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