Tìm x bt :( x^2-1/2x):2x-(3x-1):(3x-1)=0 15/09/2021 Bởi Genesis Tìm x bt 🙁 x^2-1/2x):2x-(3x-1):(3x-1)=0
Đáp án: ( x^2-1/2x):2x-(3x-1):(3x-1)=0 <=> x ²-1/2x-1=0 <=>(x-1/4) ²=17/16 <=> x= ( √17+1)/4 x= (- √17 +1)/4 Bình luận
Đáp án:
( x^2-1/2x):2x-(3x-1):(3x-1)=0
<=> x ²-1/2x-1=0
<=>(x-1/4) ²=17/16
<=> x= ( √17+1)/4
x= (- √17 +1)/4