Advertisements
Advertisements
प्रश्न
Factorise the following using suitable identity
36m2 + 60m + 25
Advertisements
उत्तर
36m2 + 60m + 25 = 62m2 + 2 × 6m × 5 + 52
This expression is of the form of identity
a2 + 2ab + b2 = (a + b)2
(6m)2 + (2 × 6m × 5) + 52
= (6m + 5)2
36m2 + 60m + 25 = (6m + 5)(6m + 5)
APPEARS IN
संबंधित प्रश्न
Find the following squares by suing the identities.
`(2/3 m + 3/4 n)^2`
Find the following squares by suing the identities.
(2xy + 5y)2
Using (x + a) (x + b) = x2 + (a + b) x + ab, find 103 × 104
Use an expansion formula to find the value.
(97)2
Expand: (10 + y)2
Expand (3m + 5)2
Factorise the following, using the identity a2 + 2ab + b2 = (a + b)2.
4x2 + 4x + 1
If a2 + b2 = 74 and ab = 35, then find a + b.
Verify the following:
(a + b)(a + b)(a + b) = a3 + 3a2b + 3ab2 + b3
Verify the following:
(7p – 13q)2 + 364pq = (7p + 13q)2
