Advertisements
Advertisements
प्रश्न
If `"a" +1/"a"=2`, find : `"a"^2+1/"a"^2`
बेरीज
Advertisements
उत्तर
`"a"^2+1/"a"^2=("a"+1/"a")^2-2`
`=(2)^2-2`
= 4 − 2
= 2
shaalaa.com
Important Formula of Expansion
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Expand : (a+b−c)2
Expand : `(3"x"+1/(3"x"))^2`
Find the square of `3"x"+2/"y"`
Find the square of `"5a"/"6b"-"6b"/"5a"`
Find the square of `5"x"+1/(5"x")`
If `"m" -1/"m"=5`, find : `"m"^2+1/"m"^2`
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 : `16"a"^4+1/(16"a"^4)`
If `3"x"-1/(3"x")=5`, find : `9"x"^2+1/(9"x"^2)`
