Question

5. If x²+2x-3 2 0 and x? - 2x-3 20 then

JEE/Engineering Exams

Maths

Solution

217

4.0 (1 ratings)

( x^{2}+2 x-3 geq 0 ) ( (x+3)(x-1) geqslant 0 ) ( x in(-infty,-3] cup[1, infty)-0 ) ( x^{2}-2 x-3 geq 0 ) ( (x-3)(x+1) geq 0 ) ( x in(-infty,-1] cup[3, infty)-(11) ) ( operatorname{lom}(10 x(11) ) ( x in(-infty,-3) cup(3, infty) )