Advertisements
Advertisements
प्रश्न
Factorise.
a4 − 2a2b2 + b4
योग
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
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Factorise the following expression.
25m2 + 30m + 9
Factorise the following expression.
(l + m)2 − 4lm (Hint: Expand (l + m)2 first)
Factorise.
63a2 − 112b2
Factorise.
(x2 − 2xy + y2) − z2
Factorise the expression.
(lm + l) + m + 1
Factorise the expression.
y (y + z) + 9 (y + z)
Factorise the expression.
10ab + 4a + 5b + 2
Factorise the expression.
6xy − 4y + 6 − 9x
Factorise.
a4 − b4
Factorise a2 – 2ab + b2 – c2.
