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प्रश्न
Multiply: `-2/3"a"^7"b"^2` and `-9/4"a""b"^5`
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उत्तर
`(-2/3"a"^7"b"^2)(-9/4"ab"^5)`
= `(-2/3xx(-9)/4)("a"^7xx"a")("b"^2xx"b"^5)`
= `3/2"a"^8"b"^7`
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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 product of a, − a2, a3
Express each of the following product as a monomials and verify the result for x = 1, y = 2:
\[\left( \frac{4}{9}ab c^3 \right) \times \left( - \frac{27}{5} a^3 b^2 \right) \times \left( - 8 b^3 c \right)\]
Multiply: −8x and 4 − 2x − x2
Multiply: 2a2 − 5a − 4 and −3a
Multiply: x + 4 by x − 5
Multiply: `2"a"^3-3"a"^2"b"` and `-1/2"ab"^2`
At present, Thenmozhi’s age is 5 years more than that of Murali’s age. Five years ago, the ratio of Thenmozhi’s age to Murali’s age was 3 : 2. Find their present ages.
Multiply the following:
3x2y2z2, 17xyz
Multiply the following:
x2y2z2, (xy – yz + zx)
