Решавање ирационалних једначина | Quizalize

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Решавање ирационалних једначина

Quiz by Jasmina Micić

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Q 1/6
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6 questions

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Q1
60s
Q2
120s
Q3
60s
Q4
120s
Q5
Само један од наведених исказа даје тачну еквиваленцију. Који? $\sqrt{A\left( x\right) }=B\left( x \right) $ $\Leftrightarrow$
$ \Leftrightarrow $ $\sqrt{A\left( x\right) }=B\left( x \right) $ $∧$$A\left( x\right)\geq0$ $∧$$B\left( x\right)\leq0$
$ \Leftrightarrow $ $A\left( x\right) =B^{2}\left( x \right) $ $∧$$B\left( x\right)\geq0$
$\Leftrightarrow$ $\sqrt{A\left( x\right) }=B^{2}\left( x \right)$ $∧$ $A\left(x\right)\le0$ $∧$ $B\left(x\right)\le0$
$ \Leftrightarrow $ $A\left( x\right) =B^{2}\left( x \right) $ $∧$$A\left( x\right)\leq0$ $∧$$B\left( x\right)\geq0$
120s
Q6
120s