Exercise :: Surds and Indices - General Questions
- Surds and Indices - Important Formulas
- Surds and Indices - General Questions
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Answer: Option C Explanation:
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12. |
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Answer: Option C Explanation:
= 1. |
13. | If m and n are whole numbers such that mn = 121, the value of (m - 1)n + 1 is: |
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Answer: Option D Explanation: We know that 112 = 121. Putting m = 11 and n = 2, we get: (m - 1)n + 1 = (11 - 1)(2 + 1) = 103 = 1000. |
14. |
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Answer: Option B Explanation:
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15. |
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Answer: Option B Explanation:
= (3 + 22) + (3 - 22) - 2 = 4.
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