Advertisements
Advertisements
प्रश्न
Factorise : `x^2 + 1/x^2 - 11`
बेरीज
उत्तर
`x^2 + 1/x^2 - 11`
= `x^2 + 1/x^2 - 2 - 9`
= `x^2 + 1/x^2 - 2 xx x xx 1/x - 9`
= `( x - 1/x )^2 - (3)^2`
= `( x - 1/x + 3 )( x - 1/x - 3 )`
shaalaa.com
Method of Factorisation : Difference of Two Squares
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Factorise : 25(2a - b)2 - 81b2
Factorise : a (a - 1) - b (b - 1)
Factorise : 4a2 - 49b2 + 2a - 7b
Factorise : (a + b) 2 - a2 + b2
Factorise : `4x^2 + 1/(4x)^2 + 1`
Factorise the following by the difference of two squares:
441 - 81y2
Factorise the following by the difference of two squares:
16a4 - 81b4
Factorise the following by the difference of two squares:
(x - 2y)2 -z2
Factorise the following:
4x2 - 12ax - y2 - z2 - 2yz + 9a2
Express each of the following as the difference of two squares:
(x2 + 2x - 3) (x2 - 2x + 3)
