Advertisements
Advertisements
प्रश्न
Expand: (10 + y)2
योग
Advertisements
उत्तर
(10 + y)2
Using the identity (a + b)2 = a2 + 2ab + b2
= (10)2 + 2 × 10 × y + (y)2
= 100 + 20y + y2
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Simplify (a2 − b2)2
Use the formula to multiply the following.
(a + 6) (a − 6)
Use a formula to multiply of (x - 5)(x + 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.
a2x2 + 2ax + 1
The area of a square is given by 4x2 + 12xy + 9y2. Find the side of the square.
Verify the following:
(a + b)(a + b)(a + b) = a3 + 3a2b + 3ab2 + b3
Verify the following:
(7p – 13q)2 + 364pq = (7p + 13q)2
What should be added to 4c(– a + b + c) to obtain 3a(a + b + c) – 2b(a – b + c)?
