1.

Using the formula (a−b)2=(a2−2ab+b2), Evaluate: (i) (196)2 (ii) (689)2 (iii) (891)2

Answer»

Using the formula (a−b)2=(a2−2ab+b2), Evaluate:
(i) (196)2
(ii) (689)2
(iii) (891)2


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