Advertisements
Advertisements
Question
Find the square of `5"x"+1/(5"x")`
Sum
Advertisements
Solution
`(5"x"+1/(5"x"))^2=(5"x")^2+1/(5"x")^2+2xx5"x"xx1/(5"x")`
`=25"x"^2+1/(25"x"^2)+2`
`=25"x"^2+2+1/(25"x"^2)`
shaalaa.com
Important Formula of Expansion
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Expand : (a+b−c)2
Expand : (a−b+c)2
Find the square of `3"x"+2/"y"`
Find the square of `"5a"/"6b"-"6b"/"5a"`
Find the square of `8"x"+3/2"y"`
If `"a" +1/"a"=2`, find: `"a"^4+1/"a"^4`
If `"m" -1/"m"=5`, find: `"m"^4+1/"m"^4`
If a2 + b2 = 41 and ab = 4, find : a + b
If `2"a"+1/(2"a")=8`, find : `4"a"^2+1/(4"a"^2)`
If `2"a"+1/(2"a")=8`, find : `16"a"^4+1/(16"a"^4)`
