Advertisements
Advertisements
प्रश्न
Factorise.
(x2 − 2xy + y2) − z2
बेरीज
Advertisements
उत्तर
(x2 − 2xy + y2) − z2
Using the identity (a − b)2 = a2 − 2ab + b2
= (x − y)2 − z2
Using the identity a2 − b2 = (a − b) (a + b)
= (x − y − z) (x − y + z)
= [a2 − b2 = (a − b) (a + b)]
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Factorise the following expression.
a2 + 8a + 16
Factorise the following expression.
(l + m)2 − 4lm (Hint: Expand (l + m)2 first)
Factorise.
9x2y2 − 16
Factorise.
25a2 − 4b2 + 28bc − 49c2
Factorise the expression.
ax2 + bx
Factorise the expression.
7p2 + 21q2
Factorise the expression.
5y2 − 20y − 8z + 2yz
Factorise.
a4 − 2a2b2 + b4
Factorise the following expression.
p2 + 6p + 8
Factorise the given expression.
q2 − 10q + 21
