Advertisements
Advertisements
प्रश्न
Factorise the following expression.
49y2 + 84yz + 36z2
योग
Advertisements
उत्तर
49y2 + 84yz + 36z2
On writing it as follows:
(7y)2 + 2 × 7y × 6z + (6z)2
Using the identity a2 + 2ab + b2 = (a + b)2
= (7y + 6z)2
= (7y + 6z) (7y + 6z)
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.
p2 − 10p + 25
Factorise the following expression.
121b2 − 88bc + 16c2
Factorise.
4p2 − 9q2
Factorise.
16x5 − 144x3
Factorise.
(l + m)2 − (l − m)2
Factorise.
(x2 − 2xy + y2) − z2
Factorise the expression.
7p2 + 21q2
Factorise the expression.
2x3 + 2xy2 + 2xz2
Factorise the expression.
y (y + z) + 9 (y + z)
Factorise.
p4 − 81
