Question

Find the value of the follow using suitable identity
$999 {}^{2}$
​

Answer 1

Answer:

Hey mate! Here's your answer:

Step-by-step explanation:

999²

(1000 - 1)²

By using (a - b)² = a² - 2ab + b²,

1000² - 2(1000)(1) + 1²

1000000 - 2000 + 1

998000 + 1

998001.

So 999² = 998001.

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