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प्रश्न
Add the following expressions:
uv – vw, vw – wu and wu – uv
उत्तर
We have, uv – vw + (vw – wu) + (wu – uv)
= uv – vw + vw – wu + wu – uv
On combining like terms,
= uv – uv – vw + vw – wu + wu
= 0 + 0 + 0
= 0
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संबंधित प्रश्न
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At age of 2 years, a cat or a dog is considered 24 “human” years old. Each year, after age 2 is equivalent to 4 “human” years. Fill in the expression [24 + `square` (a – 2)] so that it represents the age of a cat or dog in human years. Also, you need to determine for what ‘a’ stands for. Copy the chart and use your expression to complete it.
| Age | [24 + `square` (a – 2)] | Age (Human Years) |
| 2 | ||
| 3 | ||
| 4 | ||
| 5 | ||
| 6 |
