Advertisements
Advertisements
प्रश्न
Multiply the following:
(p + 6), (q – 7)
बेरीज
Advertisements
उत्तर
We have,
(p + 6) and (q – 7)
∴ (p + 6) × (q – 7) = p(q – 7) + 6(q – 7)
= pq – 7p + 6q – 42
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 7: Algebraic Expression, Identities and Factorisation - Exercise [पृष्ठ २३०]
APPEARS IN
संबंधित प्रश्न
Find the product of the following pair of monomial.
4p3, − 3p
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 product of a, − a2, a3
Express each of the following product as a monomials and verify the result for x = 1, y = 2: \[\left( \frac{1}{8} x^2 y^4 \right) \times \left( \frac{1}{4} x^4 y^2 \right) \times \left( xy \right) \times 5\]
Multiply: 12a + 5b by 7a − b
Multiply: `-3/2"x"^5"y"^3` and `4/9"a"^2"x"3"y"`
Solve: (-12x) × 3y2
Multiply the following:
–7pq2r3, –13p3q2r
Multiply the following:
15xy2, 17yz2
Multiply the following:
6mn, 0mn
