Advertisements
Advertisements
प्रश्न
Use a suitable identity to get the following products.
(x + 3) (x + 3)
Advertisements
उत्तर
The product will be as follows
(x + 3) (x + 3) = (x + 3)2
= (x)2 + 2(x) (3) + (3)2 [(a + b)2 = a2 + 2ab + b2]
= x2 + 6x + 9
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
संबंधित प्रश्न
Use a suitable identity to get the following products.
(2y + 5) (2y + 5)
Use a suitable identity to get the following products.
(a2 + b2) (− a2 + b2)
Find the following squares by suing the identities.
(2xy + 5y)2
Using identities, evaluate 78 × 82
Expand (ax + by)2
Use the formula to find the value.
97 × 103
Expand:
`("y" - 3/"y")^2`
Factorise the following, using the identity a2 + 2ab + b2 = (a + b)2.
4x2 + 4x + 1
If a2 + b2 = 74 and ab = 35, then find a + b.
Factorise p4 + q4 + p2q2.
