199² can be expressed using the square identity as (200)² + 1 + 200 ×_____.

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100

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-2

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Solution

The correct option is D
-2

(199)² = (200 - 1)²

= (200)² + 1 + 200 × (-2)

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Similar questions

How can you express 997 so that the expression $997^{2}$ can be calculated using an algebreaic identity?

How can you express 997 so that the expression $997^{2}$ can be calculated using an algebraic identity?

199^{2} + 199

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