Advertisements
Advertisements
प्रश्न
Use a suitable identity to get the following products.
(− a + c) (− a + c)
Advertisements
उत्तर
(− a + c) (− a + c) = (− a + c)2
= (− a)2 + 2(− a) (c) + (c)2 [(a + b)2 = a2 + 2ab + b2]
= a2 − 2ac + c2
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
संबंधित प्रश्न
Using identities, evaluate 712
Use the formula to multiply the following.
(a + 6) (a − 6)
Expand:
(10 + y)2
Expand: (2x + 3y)2
Expand: (51)2
Expand the following square, using suitable identities
(2x + 5)2
Simplify: (a + b)2 + (a – b)2
Factorise the following, using the identity a2 + 2ab + b2 = (a + b)2.
x2 + 12x + 36
The area of a square is given by 4x2 + 12xy + 9y2. Find the side of the square.
Factorise `x^2 + 1/x^2 + 2 - 3x - 3/x`.
