Evaluate the following using suitable identity102 x 103

Given,

102x103=

Using the identity

(x + a)(x + b) = x² + (a+b)x + ab

102 x 103 = (100 + 2)(100 + 3)

= 100² + (2+3)100 + 3x2

= 10000 + 500 + 6 

= 10,506  Answer

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Updated on: 10-Oct-2022

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