Negative Indices in Algebraic Expressions
Negative Indices in Algebraic Expressions
Secondary 3
Evaluate the following, without the use of a calculator.
- \(1\div {{\left( 2x \right)}^{-1}}\)
- \(1\div 3{{x}^{-2}}\)
- \({{\left( -\frac{3}{x} \right)}^{-4}}\)
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Answer:(i) \(2x\) (ii) \(9{{x}^{2}}\) (iii) \(\frac{x^4}{81}\)
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