Question

$2 x^{2} -3<0$

Answer 1

2х²-3<0
2x²-3=0
x=+/-√3/2
---------o--------------o---------------
  +    -√3/2    -      √3/2     +
x∈(-√3/2; √3/2)

Answer 2

спс ♥

Answer 3

x^2-3/2 меньше 0
(x-V(3/2))(x+V(3/2)) меньше 0
х∈(-V3/2; V3/2)

Answer 4

спс♥