Question

Системы неравенств, помогите срочно, пожалуйста! а и б

Answer 1

$1); ; left { {{x^2+x-2 textgreater 0} atop {x^2-x-12 textless 0}} right. ; left { {{(x+2)(x-1) textgreater 0} atop {(x-4)(x+3) textless 0}} right. ; left { {{xin (-infty ,-2)cup (1,+infty )} atop {xin (-3,4)}} right. \\xin (-3,-1)cup (1,4)\\2); ; left { {{x^2+2x-3 textgreater 0} atop { frac{x+3}{x-2} textless 0 }} right. ; left { {{(x+3)(x-1) textgreater 0} atop {(x+3)(x-2) textless 0; ,; xne 2}} right. ; left { {{xin (-infty ,-3)cup (1,+infty )} atop {xin (-3,2)}} right. \\xin (1,2)$