Advertisements
Advertisements
प्रश्न
Factorise the following expression.
a4 + 2a2b2 + b4
योग
Advertisements
उत्तर
a4 + 2a2b2 + b4
On writing it as follows:
(a2)2 + 2 × a2 × b2 + (b2)2
Using the identity (a + b)2 = a2 + 2ab + b2
= (a2 + b2)2
= (a2 + b2) (a2 + b2)
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 12: Factorisation - EXERCISE 12.2 [पृष्ठ १५१]
APPEARS IN
संबंधित प्रश्न
Factorise the following expression.
49y2 + 84yz + 36z2
Factorise the following expression.
(l + m)2 − 4lm (Hint: Expand (l + m)2 first)
Factorise.
25a2 − 4b2 + 28bc − 49c2
Factorise the expression.
ax2 + bx
Factorise the expression.
7p2 + 21q2
Factorise the expression.
2x3 + 2xy2 + 2xz2
Factorise the expression.
5y2 − 20y − 8z + 2yz
Factorise.
p4 − 81
Factorise the following expression:
2a² + 4a²b + 8a²c
Factorise the following expression:
ab – ac – mb + mc
