1.

Using the formula for squaring a binomial, evaluate the following:(703)2

Answer»

Given,

(703)2

We can express 700 as 700 + 3

So, 

= (703)2 

= (700 + 3)2

= (700)2 + 2 (700) (3) + 32

= 490000 + 4200 + 9

= 494209



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