Equations Involving Indices

  1. Comparison of indices or base
    1. If  the base are the same , when a x = a y , then x = y
    2. If  the index are the same , when a x = b x , then a = b
  2. Using common logarithm (If base and index are NOT the same)
a x = b lg a x = lg b x = lg b lg a

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