Advertisements
Advertisements
Question
Find the square of `8"x"+3/2"y"`
Sum
Advertisements
Solution
`(8"x"+3/2"y")^2=(8"x")^2+(3/2"y")^2+2xx8"x"xx3/2"y"`
`=64"x"^2+9/4"y"^2+24"xy"`
`=64"x"^2+24"xy"+9/4"y"^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 : `(3"x"+1/(3"x"))^2`
Find the square of `2"m"^2-2/3"n"^2`
Find the square of `5"x"+1/(5"x")`
If `"a" +1/"a"=2`, find: `"a"^4+1/"a"^4`
If `"m" -1/"m"=5`, find : `"m"^2+1/"m"^2`
If `"m" -1/"m"=5`, find: `"m"^4+1/"m"^4`
If `2"a"+1/(2"a")=8`, find : `4"a"^2+1/(4"a"^2)`
If `3"x"-1/(3"x")=5`, find : `9"x"^2+1/(9"x"^2)`
Expand : (2a – 5b – 4c)2
