Advertisements
Advertisements
प्रश्न
Factorise the following, using the identity a2 – 2ab + b2 = (a – b)2.
`x^2/4 - 2x + 4`
योग
Advertisements
उत्तर
We have,
`x^2/4 - 2x + 4`
= `(x/2)^2 - 2 xx x/2 xx 2 + 2^2`
= `(x/2 - 2)^2`
= `(x/2 - 2)(x /2 - 2)`
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 7: Algebraic Expression, Identities and Factorisation - Exercise [पृष्ठ २३४]
APPEARS IN
संबंधित प्रश्न
Factors of 4 – m2 are
Evaluate the following, using suitable identity
472
Factorise the following using suitable identity
x2 – 8x + 16
Using identity, find the value of (4.9)2
Square of 9x – 7xy is ______.
(a – b) ______ = a2 – 2ab + b2
Factorise the following, using the identity a2 – 2ab + b2 = (a – b)2.
a2y2 – 2aby + b2
Factorise the following.
x2 – 17x + 60
Factorise the following.
p2 – 13p – 30
If m – n = 16 and m2 + n2 = 400, then find mn.
