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प्रश्न
Multiply: −8x and 4 − 2x − x2
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उत्तर
−8x (4 − 2x − x2)
= −8x × 4 −8x × −2x −8x × −x2
= −32x + 16x2 + 8x3
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संबंधित प्रश्न
Find the product of the following pair of monomial.
− 4p, 7p
Find the product of the following pair of monomial.
− 4p, 7pq
Find the areas of rectangles with the following pairs of monomials as their lengths and breadths, respectively.
(p, q); (10m, 5n); (20x2, 5y2); (4x, 3x2); (3mn, 4np)
Complete the table of products.
|
First monomial→ |
2x |
–5y |
3x2 |
–4xy |
7x2y |
–9x2y2 |
|
Second monomial ↓ |
||||||
| 2x | 4x2 | ... | ... | ... | ... | ... |
| –5y | ... | ... | –15x2y | ... | ... | ... |
| 3x2 | ... | ... | ... | ... | ... | ... |
| – 4xy | ... | ... | ... | ... | ... | ... |
| 7x2y | ... | ... | ... | ... | ... | ... |
| –9x2y2 | ... | ... | ... | ... | ... | ... |
Obtain the volume of a rectangular box with the following length, breadth, and height, respectively.
xy, 2x2y, 2xy2
Obtain the product of 2, 4y, 8y2, 16y3
Express each of the following product as a monomials and verify the result for x = 1, y = 2:
(−xy3) × (yx3) × (xy)
Multiply: 2a2 − 5a − 4 and −3a
Multiply: 5a − 1 by 7a − 3
Multiply the following:
15xy2, 17yz2
