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
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Using identities, evaluate 712
Using identities, evaluate 992
Expand (5a + 6b)2
Expand `("a"/2+"b"/3)^2`
Use the formula to multiply the following.
(x + y) (x − y)
Expand: (51)2
Simplify: (a + b)2 + (a – b)2
(a + b)2 – 2ab = ______ + ______.
The sum of areas of two squares with sides 4a and 4b is ______.
Factorise the following, using the identity a2 + 2ab + b2 = (a + b)2.
4x2 + 4x + 1
