The number of real roots of the equation x2−3xx2−1+2+1x−1=0 is
A
1
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
0
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
infinitely many
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is A1 x2−3xx2−1+2+1x−1=0⇒x(x−3)(x+1)(x−1)+2(x−1)(x−1)+1x−1=0⇒1x2−1[x(x−3)+2(x2−1)+(x+1)]=0here x2−1≠0⇒x≠±1⇒x2−3x+2x2−2+x+1=0⇒3x2−2x−1=0⇒3x2−3x+x−1=0⇒(x−1)(3x+1)=0⇒x=−13