Two vectors beginning at the same vertex of a triangle are 〈2,1〉 and 〈1,-7〉. choose the correct classification of the triangle.

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Ответ:

Amrinderkhattra

09.10.2021

Mathematics

Step-by-step explanation:

x^2-2x-3=0

(x-3)(x+1)=0

x=3 or x=-1

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