Advertisements
Advertisements
प्रश्न
Factorise.
a4 − 2a2b2 + b4
बेरीज
Advertisements
उत्तर
a4 − 2a2b2 + b4
= (a2)2 − 2a2b2 + (b2)2
Using the identity (a − b)2 = a2 − 2ab + b2
= (a2 − b2)2
Using the identity a2 − b2 = (a − b) (a + b)
= [(a − b) (a + b)]2
= (a − b)2 (a + b)2
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Factorise the following expression.
49y2 + 84yz + 36z2
Factorise the following expression.
121b2 − 88bc + 16c2
Factorise the following expression.
(l + m)2 − 4lm (Hint: Expand (l + m)2 first)
Factorise.
(x2 − 2xy + y2) − z2
Factorise the expression.
2x3 + 2xy2 + 2xz2
Factorise the expression.
(lm + l) + m + 1
Factorise the expression.
y (y + z) + 9 (y + z)
Factorise the expression.
5y2 − 20y − 8z + 2yz
Factorise the expression.
10ab + 4a + 5b + 2
Factorise 49p2 – 36
