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प्रश्न
Cube of \[\frac{- 1}{2}\] is
विकल्प
- \[\frac{1}{8}\]
- \[\frac{1}{16}\]
- \[- \frac{1}{8}\]
- \[\frac{- 1}{16}\]
MCQ
योग
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उत्तर
` (-1)/8`
The cube of a number is the number raised to the power of 3. Hence the cube of −1/2 is \[\frac{( - 1 )^3}{2^3}\] → ( (a/b)n = (an)/(bn)
\[= \frac{- 1}{8}\]
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| Powers Table | ||||||||||
| x | 1x | 2x | 3x | 4x | 5x | 6x | 7x | 8x | 9x | 10x |
| 1 | 1 | 2 | ||||||||
| 2 | 1 | 4 | ||||||||
| 3 | 1 | 8 | ||||||||
| 4 | 1 | 16 | ||||||||
| 5 | 1 | 32 | ||||||||
| 6 | 1 | 64 | ||||||||
| 7 | 1 | 128 | ||||||||
| 8 | 1 | 256 | ||||||||
| Ones Digits of the Powers |
1 | 2, 4, 8, 6 | ||||||||
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