xxskylarsandersxx xxskylarsandersxx

23-02-2021
Mathematics

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1.) Maria thinks (a + b)² = a² + b². Is she correct? Justify your reasoning.

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Аноним Аноним

23-02-2021

Answer:

No, Maria is incorrect.

(a+b)^2 is actually equal to a^2 + 2ab + b^2.

Let me know if this helps!

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faisal4craft7 faisal4craft7

23-02-2021

We now have two formulas for (a+b)², which means we can set equation 1, from earlier, and equation 2 equal to one another.
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Lastly, subtract 2ab from both sides, and look there’s the Pythagorean theorem!
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