Question

C
Evaluate: (999)square​

Answer 1

Answer:

998001

Step-by-step explanation:

(1000-1)^2

1000^2 +1^2 - 2(1000)(1)

1000000+1-2000

998001

Answer 2

999square=(1000-1)square

1000square-2×1000×1+1square

1000000-2000+1

998001=