Question

Using the formula for squaring a binomial evaluate the following (iii) 197²

Answer 1

Answer:

197²

= (200-3)²

= 200² - 2×200×3+ 3²

= 20000 - 1200 +9

=18809

Answer 2

Thanks for Asking

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(197)²

(200-3)²

Using the identity to solve it ❤️

(a-b)²=a²+b²-2ab

(200-3)²

(200)²+(3)²-2(200)(3)

(40000+9-1200)

40009-1200

=>38,809.Ans.

HOPE ITS HELPS U ❤️☺️