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Find the product mentally. ( r - s )^ 2 2 r^2 - rs - s^2 r^2 - 2 rs + s^2 r^2 - rs + s^2
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Find the product mentally. ( r - s )^ 2

2 r^2 - rs - s^2
r^2 - 2 rs + s^2
r^2 - rs + s^2

User MicNeo
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1 Answer

7 votes
It's the last option
User Neutral Penguin
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