Respuesta :

Answer:

No, Maria is incorrect.

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

Let me know if this helps!
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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