Question

calculate the value of 'x' in the following expression
$( \frac{11}{9})² \times ( \frac{11}{9})⁶ = ( \frac{11}{9})² ^{x} - 1$
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Answer 1

Answer:

Since all of the base terms are same,

2 + x = 2x - 1

x - 2x = -1 -2

-x = -3

x = 3