Advertisements
Advertisements
प्रश्न
The sum of areas of two squares with sides 4a and 4b is ______.
Advertisements
उत्तर
The sum of areas of two squares with sides 4a and 4b is 16(a2 + b2).
Explanation:
∵ Area of a square = (Side)2
∴ Area of the square whose one side is 4a = (4a)2 = 16a2
Area of the square with side 4b = (4b)2 = 16b2
∴ Sum of areas = 16a2 + 16b2 = 16(a2 + b2)
APPEARS IN
संबंधित प्रश्न
Use a suitable identity to get the following products.
(7a − 9b) (7a − 9b)
Find the following squares by suing the identities
(xy + 3z)2
Using identities, evaluate 992
Use the formula to multiply the following.
(3x − 5) (3x + 5)
(x2 + y2)(y2 + x2) = (x2 + y2)2
Factorise the following, using the identity a2 + 2ab + b2 = (a + b)2.
x2 + 14x + 49
Factorise the following, using the identity a2 + 2ab + b2 = (a + b)2.
4x2 + 12x + 9
Factorise the following.
x2 + 9x + 20
Factorise the following.
18 + 11x + x2
The area of a square is 9x2 + 24xy + 16y2. Find the side of the square.
