(2x-3/x-1)-4(x-1/2x-3)=3
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Answered by
1
Answer:
x=( 1±√5) /2
Step-by-step explanation:
(2x-3)/ (x-1) - 4(x-1) /( 2x-3) = 3
Let 2x-3=a and x-1=b
Then a/b +b/a=3
1/ab( a²+b²) =3
a²+b²=3ab
a²+b²+2ab=5ab
(a+b)²=5ab
Putting value of a and b
(2x-3+x-1)²=5(2x-3)(x-1)
(3x-4)² =5(2x²-2x-3x+3)
9x²+16-24x=10x²-25x+15
x²-x-1=0
x= { 1±√(1+4) }/2
x=( 1±√5) /2
Answered by
11
Answer:
X = ( 1 ± √5 ) / 2
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