Question

using suitable evaluate the following (997)²​

Answer 1

Answer:

(100-3)^2

10000+9-600

9400+9

9409

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Answer 2

Step-by-step explanation:

997^2=(1000-3)^2

$1000 {}^{2} - 2 \times 1000 \times 3 + 3 \times 3 = \\ 1000000 - 6000 + 9 \\ 994009$