Advertisements
Advertisements
प्रश्न
If `"m" -1/"m"=5`, find: `"m"^4+1/"m"^4`
योग
उत्तर
`"m"^4+1/"m"^4=("m"^2+1/"m"^2)^2-2`
= (27)2 − 2
= 729 − 2
= 727
shaalaa.com
Important Formula of Expansion
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Expand: `("a"+1/(2"a"))^2`
Expand : `(2"a"-1/"a")^2`
Expand : (a−b+c)2
Expand : `(2"x"-1/(2"x"))^2`
Find the square of `"5a"/"6b"-"6b"/"5a"`
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)`
If `3"x"-1/(3"x")=5`, find : `81"x"^4+1/(81"x"^4)`
Expand : (3x – 4y + 5z)2
Expand : (2a – 5b – 4c)2
