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प्रश्न
Which of the following rational numbers is equal to its reciprocal?
पर्याय
1
2
`1/2`
0
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उत्तर
1
Explanation:
a. Reciprocal of 1 is `1/1 = 1`
b. Reciprocal of 2 is `1/2 ≠ 2`
c. Reciprocal of `1/2` is `2 ≠ 1/2`
d. Reciprocal of 0 is `1/0` = not defined ≠ 0
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संबंधित प्रश्न
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`
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Find (m + n) ÷ (m - n), if: m = `2/3` and n = `3/2`
The product of two rational numbers is -5.If one of these numbers is `(-7)/15`,find the other.
If `p/q` is a rational number and m is a non-zero integer, then `p/q = (p xx m)/(q xx m)`.
Match the following:
| Column I | Column II |
| (i) `a/b ÷ a/b` | (a) `(-a)/b` |
| (ii) `a/b ÷ c/d` | (b) –1 |
| (iii) `a/b ÷ (-1)` | (c) 1 |
| (iv) `a/b ÷ (-a)/b` | (d) `(bc)/(ad)` |
| (v) `b/a ÷ (d/c)` | (e) `(ad)/(bc)` |
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