Advertisements
Advertisements
प्रश्न
Multiply: `-2/3"a"^7"b"^2` and `-9/4"a""b"^5`
Advertisements
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`
APPEARS IN
संबंधित प्रश्न
Find the product of the following pair of monomial.
4, 7p
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)
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.
a, 2b, 3c
Multiply: x2+ x + 1 by 1 − x
Multiply: abx, −3a2x and 7b2x3
Solve: (-12x) × 3y2
The length of a rectangle is `1/3` of its breadth. If its perimeter is 64 m, then find the length and breadth of the rectangle.
Multiply the following:
3x2y2z2, 17xyz
Multiply the following:
–3x2y, (5y – xy)
