Advertisements
Advertisements
प्रश्न
The following expression is the area of a rectangle. Find the possible length and breadth of the rectangle.
x2 – 3x + 2
बेरीज
Advertisements
उत्तर
We have,
Area of rectangle = x2 – 3x + 2
= x2 – (2 + 1)x + 2
= x2 – 2x – x + 2
= x(x – 2) – 1(x – 2)
= (x – 2)(x – 1)
∴ The possible length and breadth are (x – 2) and (x – 1).
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 7: Algebraic Expression, Identities and Factorisation - Exercise [पृष्ठ २३६]
APPEARS IN
संबंधित प्रश्न
Expand.
(m − 4)(m + 6)
Expand.
(13 + x) (13 − x)
Expand.
`(x + 1/x)(x - 1/x)`
Expand: `(m + 3/2)(m + 1/2)`.
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)
Simplify using identities
(3p + q)(3p + r)
(x + a)(x + b) = x2 + (a + b)x + ______.
Using suitable identities, evaluate the following.
104 × 97
Using suitable identities, evaluate the following.
10.1 × 10.2
