Advertisements
Advertisements
Question
Expand : `(2"x"-1/(2"x"))^2`
Sum
Advertisements
Solution
`(2"x"-1/(2"x"))^2=(2"x")^2+(1/(2"x"))^2-2xx2"x"xx1/(2"x")`
`=4"x"^2+1/(4"x"^2)-2`
shaalaa.com
Important Formula of Expansion
Is there an error in this question or solution?
