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प्रश्न
Expand.
(a + 2) (a − 1)
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उत्तर
(x + a) (x + b) = x2 + (a + b)x + ab
Apply the identity
संबंधित प्रश्न
Expand.
(p + 8) (p − 3)
Expand.
`(1/y + 4)(1/y - 9)`
Use the Identity (x + a) (x + b) = x2 + (a + b)x + ab to find the following:
95 × 103
Expand: `(m + 3/2)(m + 1/2)`.
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
(6a + 9)(6a – 5)
Evaluate the following, using suitable identity
51 × 52
Multiply the following:
(x2 – 5x + 6), (2x + 7)
The following expression is the area of a rectangle. Find the possible length and breadth of the rectangle.
x2 – 6x + 8
The following expression is the area of a rectangle. Find the possible length and breadth of the rectangle.
x2 – 7x + 10
