Question

a?b?x2 + b²x - a²x – 1= 0

eak exam de rahi hun help karo.......
Previous year ke trah iss bar bhi gold medal lana hai...
please help me​

Answer 1

Here your quadratic equation is: 



Here, this equation can be factorised.  

Take out  common first and second term. 

Also take  common from third and fourth term.



Hope it helps