Advertisements
Advertisements
प्रश्न
Multiply: 12a + 5b by 7a − b
बेरीज
Advertisements
उत्तर
(12a + 5b) (7a − b) = 12a (7a − b) + 5b (7a − b)
= 84a2 − 12ab + 35ab − 5b2
= 84a2 + 23ab − 5b2
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
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 product of 2, 4y, 8y2, 16y3
Multiply: `2/3"ab"` by `-1/4 "a"^2"b"`
Multiply: 2a2 − 5a − 4 and −3a
Multiply: 5a − 1 by 7a − 3
Multiply: `2"a"^3-3"a"^2"b"` and `-1/2"ab"^2`
Solve: ( -3x2 ) × ( -4xy)
Product of the following monomials 4p, –7q3, –7pq is ______.
Multiply the following:
7pqr, (p – q + r)
