Advertisements
Advertisements
प्रश्न
Expand.
(3x + 4y) (3x + 5y)
बेरीज
Advertisements
उत्तर
(3x + 4y) (3x + 5y)
= (3x)2 + {4y + 5y} (3x) + (4y) × (5y)
= 9x2 + 9y × 3x + 20y2
= 9x2 + 27xy + 20y2
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
संबंधित प्रश्न
Expand.
(m − 4)(m + 6)
Expand.
`(m + 2/3)(m − 7/3)`
Expand.
`(x + 1/x)(x - 1/x)`
Use the Identity (x + a) (x + b) = x2 + (a + b)x + ab to find the following:
95 × 103
Expand: (x + 2)(x + 3).
Expand: (y + 4)(y - 3)
Expand: (x - 3)(x - 7).
Using the identity (x + a)(x + b) = x2 + x(a + b) + ab, find the following product
(4x + 3y)(4x + 5y)
x2 + (a + b)x + ab = (a + b)(x + ab)
Using suitable identities, evaluate the following.
10.1 × 10.2
