Advertisements
Advertisements
प्रश्न
Evaluate the following, using suitable identity
512
योग
Advertisements
उत्तर
512 = (50 + 1)2
Taking a = 50 and b = 1 we get
(a + b)2 = a2 + 2ab + b2
(50 + 1)2 = 502 + 2(50)(1) + 12
= 2500 + 100 + 1
512 = 2601
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Use a suitable identity to get the following products.
`(x/2 + (3y)/4)(x/2 + (3y)/4)`
Simplify (ab + bc)2 − 2ab2c
Expand `("x"+1/2)^2`
Use an expansion formula to find the value.
(97)2
Use the formula to find the value.
97 × 103
Expand:
`("p"/3 + "q"/4)^2`
Factorise the following using suitable identity
a2 + 6ab + 9b2 – c2
Factorise the following, using the identity a2 + 2ab + b2 = (a + b)2.
4x2 + 12x + 9
Factorise the following, using the identity a2 + 2ab + b2 = (a + b)2.
4x4 + 12x3 + 9x2
The area of a square is 9x2 + 24xy + 16y2. Find the side of the square.
