Question

$2 {x}^{2} { - }^{10x} \leqslant \frac{1}{2}$ urgeeent
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Answer 1

x^2 - 10x = -1

x^2 - 10x + 1 = 0

delta = 100-4 = 96 =>rad.delta=4rad6

x1=(10-4rad6)/2=8-2rad6

x^2=(10+4rad6)/2=8+2rad6

Asta, dacă e corect scris exercițiul...