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Daca a=3, calculati a+1/a=?

Răspuns :


[tex]a = 3 \\ \frac{a + 1}{a } \\ \frac{3 + 1}{3} = \frac{4}{3} = 1(3) [/tex]
a+1=3+1=4
a+1/a=4/3÷1, (3)