Advertisements
Advertisements
प्रश्न
(a – b) ______ = a2 – 2ab + b2
रिक्त स्थान भरें
उत्तर
(a – b) (a – b) = a2 – 2ab + b2
Explanation:
We know that,
(a – b)(a – b) = (a – b)2
= a2 – 2ab + b2 ...[∵ (a – b)2 = a2 – 2ab + b2]
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Expand (7m − 4)2
Expand: (98)2
Evaluate the following, using suitable identity
9982
Square of 9x – 7xy is ______.
(a – b)2 + ______ = a2 – b2
1032 – 1022 = ______ × (103 – 102) = ______.
Factorise the following, using the identity a2 – 2ab + b2 = (a – b)2.
y2 – 14y + 49
Factorise the following, using the identity a2 – 2ab + b2 = (a – b)2.
4a2 – 4ab + b2
Factorise the following, using the identity a2 – 2ab + b2 = (a – b)2.
`9y^2 - 4xy + (4x^2)/9`
Factorise the following.
x2 – 10x + 21
