Advertisements
Advertisements
प्रश्न
Expand: `("p"/3 + "q"/4)^2`
योग
उत्तर
`("p"/3 + "q"/4)^2`
Using the identity (a + b)2 = a2 + 2ab + b2
= `("p"/3)^2 + 2 xx "p"/3 xx "q"/4 + ("q"/4)^2`
`= "p"^2/9 + "pq"/6 + "q"^2/16`
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Use a suitable identity to get the following products.
(a2 + b2) (− a2 + b2)
Find the following squares by suing the identities.
`(2/3 m + 3/4 n)^2`
Using identities, evaluate 992
Using a2 − b2 = (a + b) (a − b), find 512 − 492
Using (x + a) (x + b) = x2 + (a + b) x + ab, find 103 × 104
Use the formula to multiply the following.
(3x − 5) (3x + 5)
Use a formula to multiply of (4z – 5y)(4z + 5y)
Simplify: (a + b)2 – 4ab
Factorise the following, using the identity a2 + 2ab + b2 = (a + b)2.
x2 + 14x + 49
The area of a square is 9x2 + 24xy + 16y2. Find the side of the square.
