Tentukan himpunan penyelesaian ..
a.×pangakat2+2×-3<0
b.×pangkat2-×-1>3pangakat2+4×-1
a.×pangakat2+2×-3<0
b.×pangkat2-×-1>3pangakat2+4×-1
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Verified answer
A. x²+2x-3<0(x+3)(x-1)<0
hp={x| -3<x<1 ,x€R}
b. x²-x-1>3²+4x-1
x²-5x-1>8
x²-5x-9