Advertisements
Advertisements
प्रश्न
Expand.
`(1/y + 4)(1/y - 9)`
बेरीज
उत्तर
`(1/y + 4)(1/y - 9)`
= `(1/y)^2 + {4 + (-9)}1/y + (4) xx (-9)`
= `1/y^2 + (-5) xx 1/y -36`
= `1/y^2 -5/y - 36`
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
संबंधित प्रश्न
Expand.
(3x + 4y) (3x + 5y)
Expand.
`(m + 2/3)(m − 7/3)`
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
(x + 3)(x + 7)
Using the identity (x + a)(x + b) = x2 + x(a + b) + ab, find the following product
(8 + pq)(pq + 7)
x2 + (a + b)x + ab = (a + b)(x + ab)
The following expression is the area of a rectangle. Find the possible length and breadth of the rectangle.
x2 + 19x – 20
