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प्रश्न
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)
उत्तर
| Length | Breadth | Area |
| p | q | pq |
| 10m | 5n | 10m × 5n = 50mn |
| 20x2 | 5y2 | 20x2 × 5y2 = 100x2y2 |
| 4x | 3x2 | 4x × 3x2 = 12x3 |
| 3mn | 4np | 3mn × 4np = 12mn2p |
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संबंधित प्रश्न
Find the product of the following pair of monomial.
− 4p, 7pq
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.
5a, 3a2, 7a4
Obtain the volume of a rectangular box with the following length, breadth, and height, respectively.
2p, 4q, 8r
Obtain the product of a, 2b, 3c, 6abc.
Obtain the product of m, − mn, mnp.
Express each of the following product as a monomials and verify the result for x = 1, y = 2:
(−xy3) × (yx3) × (xy)
Multiply: x + 4 by x − 5
Multiply: a2, ab and b2
Solve: (-12x) × 3y2
