Question

8 va rog!!! dau coroana!!

Answer 1

Răspuns:

Explicație pas cu pas:

$\bf A= ( -5, +\infty)$

$\bf B= \bigg( -\dfrac{1}{5} , \dfrac{7}{5}\bigg) = \big( -0,2~;~1,4\big)$

$\bf A \cap B= \big( -5 ; \infty \big) \cap \big( -0,2~;~1,4\big) =\purple{\big( -5 ;~ 1,4\big)}$

$\bf 1,2~ \in ~A\cap B \longrightarrow Adevarat$