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प्रश्न
Multiply the following:
(p + 6), (q – 7)
बेरीज
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उत्तर
We have,
(p + 6) and (q – 7)
∴ (p + 6) × (q – 7) = p(q – 7) + 6(q – 7)
= pq – 7p + 6q – 42
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या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 7: Algebraic Expression, Identities and Factorisation - Exercise [पृष्ठ २३०]
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संबंधित प्रश्न
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.
2p, 4q, 8r
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: −5cd2 by − 5cd2
Multiply: 2a2 − 5a − 4 and −3a
Multiply: 12a + 5b by 7a − b
Product of the following monomials 4p, –7q3, –7pq is ______.
Area of a rectangle with length 4ab and breadth 6b2 is ______.
Multiply the following:
7pqr, (p – q + r)
