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प्रश्न
The multiplicative inverse of (– 4)–2 is (4)–2.
पर्याय
True
False
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उत्तर
This statement is False.
Explanation:
a is called the multiplicative inverse of b, if a × b = 1.
Put b = (– 4)–2
∴ a × (– 4)–2 = 1
∴ `a = 1/((-4)^-2) = (-4)^2` ...`[∵ a^-m = 1/a^m]`
APPEARS IN
संबंधित प्रश्न
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Expand the following numbers using exponents.
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Predicting the ones digit, copy and complete this table and answer the questions that follow.
| 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 | ||||||||
- Describe patterns you see in the ones digits of the powers.
- Predict the ones digit in the following:
- 412
- 920
- 317
- 5100
- 10500
- Predict the ones digit in the following:
- 3110
- 1210
- 1721
- 2910
