Advertisements
Advertisements
प्रश्न
(a – b)2 = a2 – b2
विकल्प
True
False
MCQ
सत्य या असत्य
Advertisements
उत्तर
This statement is False.
Explanation:
We have,
(a – b)2 = a2 + b2 – 2ab ...[An algebraic identity]
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Expand `("a"-1/"a")^2`
Factors of 4 – m2 are
Expand the following square, using suitable identities
(b – 7)2
Factorise the following using suitable identity
x2 – 8x + 16
(a – b)2 + ______ = a2 – b2
Factorise the following, using the identity a2 – 2ab + b2 = (a – b)2.
p2y2 – 2py + 1
Factorise the following, using the identity a2 – 2ab + b2 = (a – b)2.
a2y2 – 2aby + b2
Factorise the following.
x2 – 10x + 21
If x – y = 13 and xy = 28, then find x2 + y2.
Subtract b(b2 + b – 7) + 5 from 3b2 – 8 and find the value of expression obtained for b = – 3.
