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प्रश्न
Find (x + y) ÷ (x − y), if
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उत्तर
\[x = \frac{5}{4}, y = \frac{- 1}{3}\]
So`(x+y)÷(x-y)=(5/4+ (-1)/3)÷(5/4- (-1)/3)`
`=11/12xx12/19=11/19`
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संबंधित प्रश्न
Add the following rational numbers.
\[\frac{- 8}{11} and \frac{- 4}{11}\]
Multiply:
Multiply:
Simplify each of the following and express the result as a rational number in standard form:
Zero has ______ reciprocal.
Divide:
Compare: 3 and -1
Identify the rational number that does not belong with the other three. Explain your reasoning
`(-5)/11, (-1)/2, (-4)/9, (-7)/3`
The average life expectancies of males for several states are shown in the table. Express each decimal in the form `p/q` and arrange the states from the least to the greatest male life expectancy. State-wise data are included below; more indicators can be found in the “FACTFILE” section on the homepage for each state.
| State | Male | `bb(p/q)` form | Lowest terms |
| Andhra Pradesh | 61.6 | ||
| Assam | 57.1 | ||
| Bihar | 60.7 | ||
| Gujarat | 61.9 | ||
| Haryana | 64.1 | ||
| Himachal Pradesh | 65.1 | ||
| Karnataka | 62.4 | ||
| Kerala | 70.6 | ||
| Madhya Pradesh | 56.5 | ||
| Maharashtra | 64.5 | ||
| Orissa | 57.6 | ||
| Punjab | 66.9 | ||
| Rajasthan | 59.8 | ||
| Tamil Nadu | 63.7 | ||
| Uttar Pradesh | 58.9 | ||
| West Bengal | 62.8 | ||
| India | 60.8 |
Source: Registrar General of India (2003) SRS Based Abridged Lefe Tables. SRS Analytical Studies, Report No. 3 of 2003, New Delhi: Registrar General of India. The data are for the 1995-99 period; states subsequently divided are therefore included in their pre-partition states (Chhatisgarh in MP, Uttaranchal in UP and Jharkhand in Bihar)
Every natural number is a rational number but every rational number need not be a natural number.
