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Equation involving Indices

Equation involving Indices

Secondary 3

Solve each of the equation.

  1. \({{2}^{x}}=8\)
  1. \({{5}^{y}}=\frac{1}{25}\)
  1. \({{9}^{z}}=27\)

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Answer:(i) \(x=3\). (ii) \(y=-2\). (iii) \(z=\frac32\).

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