1.

Evaluate the following products withoutactual multiplication999 × 999​

Answer»

Step-by-step explanation:

(999)²

(1000-1

(a-b)² = a² -2AB + b²

(1000-1)² = (1000)² - 2 × 1000 × 1 + (1)²

= 1000000 - 2000 + 1

= 998001



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