(5-x+2/x)2

Asked by jyotsanasoni1983 | 23rd Sep, 2020, 08:47: PM

Expert Answer:

To find: (5 - x + 2/x)2

open parentheses 5 minus straight x plus 2 over straight x close parentheses squared equals 5 squared plus straight x squared plus open parentheses 2 over straight x close parentheses squared plus 2 open parentheses 5 close parentheses open parentheses negative straight x close parentheses plus 2 open parentheses 5 close parentheses open parentheses 2 over straight x close parentheses plus 2 open parentheses negative straight x close parentheses open parentheses 2 over straight x close parentheses
equals 25 plus straight x squared plus 4 over straight x squared minus 10 straight x plus 20 over straight x minus 4
equals straight x squared plus 4 over straight x squared minus 10 straight x plus 20 over straight x plus 21

Answered by Renu Varma | 25th Sep, 2020, 01:16: PM