georgia-hunt_60af580776898
georgia-hunt_60af580776898
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2x/(x+1)=(2x-1)/x mmc=x(x+1) x(2x)=(x+1)(2x-1) 2x²=2x²-x+2x-1 -x+2x-1=0 -x+2x=1 x=1 V={1} x^4-3x²+2=0 x²=y y²-3y+2=0 D=(-3)²-4.1.2 D=9-8 D=1 y=(3+-1)/2 y1=(3+1)/2=4/2=2 y2=(3-1)/2=2/2=1 x²=y x²=2 ou x²=1 IxI=v2 ou IxI=1…