Giải phương trình (2x+1)/(2x-1)-(2x-1)/(2x+1)
Giải thích
2x+12x−1−2x−12x+1=84x2−1x≠±12⇔2x+12−2x−122x−12x+1=82x−12x+1⇒2x+1+2x−12x+1−2x+1=8⇔4x.2=8⇔x=1(tm)S=1
2x+12x−1−2x−12x+1=84x2−1x≠±12⇔2x+12−2x−122x−12x+1=82x−12x+1⇒2x+1+2x−12x+1−2x+1=8⇔4x.2=8⇔x=1(tm)S=1