Idon't understand. its a math question. the picture is below:
f1 = f2
f1 ⊥ f2
...
![subject](/tpl/images/cats/mat.png)
Mathematics, 10.07.2019 09:10 kelseeygee
Idon't understand. its a math question. the picture is below:
f1 = f2
f1 ⊥ f2
![ansver](/tpl/images/cats/User.png)
Answers: 3
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