Question

Помогите пожалуйста!!!!

Answer 1

$frac{(2-x^2)(x-3)^2}{(x+1)(x^2-3x-4)} geq 0\ \ frac{(x^2-2)(x-3)^2}{(x+1)(x^2+x-4x-4)}leq0 \ \ frac{(x+sqrt{2} )(x-sqrt{2})( x-3)^2}{(x+1)^2(x-4)}leq 0\ \ ---[-sqrt{2}}]+++(-1)+++[ sqrt{2} ]---[3]---(4)\ \ xin(-oo;-sqrt{2} ]U[sqrt{2} ;4)$

Answer 2

[-√2] + + + (-1) + + + [√2] - - -

Answer 3

ок