Respuesta :

Answer:

First option is the correct answer

[tex] b_1 = \frac{2A -b_2 \: h }{h} [/tex]

Step-by-step explanation:

[tex]b_1 = \frac{2A}{h} - b_2 \\ b_1 = \frac{2A -b_2 \: h }{h} \\ [/tex]

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