Mathematics- Chapter-4 

 Factorisation

How to Solve the below question;

 


x squared plus 1 over x squared minus 2 minus 5 x plus 5 over x


   Regards,

Yashwardhan Wagh

Asked by yashwardhanwagh70.9spicertl | 21st Jul, 2020, 08:03: PM

Expert Answer:

TO factorise x2 + 1/x2 - 2 - 5x + 5/x
straight x squared plus 1 over straight x squared minus 2 minus 5 straight x plus 5 over straight x
equals straight x squared plus 1 over straight x squared minus 2 cross times straight x squared cross times 1 over straight x squared minus 5 straight x plus 5 over straight x
equals open parentheses straight x minus 1 over straight x close parentheses squared minus 5 open parentheses straight x minus 1 over straight x close parentheses
equals open parentheses straight x minus 1 over straight x close parentheses open parentheses straight x minus 1 over straight x minus 5 close parentheses

Answered by Renu Varma | 22nd Jul, 2020, 11:20: AM