What is (0.9^4-1)/(0.9^6-1) ?

The solution to (0.9^4-1)/(0.9^6-1) is 0.73395…

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simplify (0.9^4-1)/(0.9^6-1)

simplify

\frac{0. 9 ^{4} - 1}{0. 9 ^{6} - 1}

0.73395 \dots

Solution steps

\frac{0. 9 ^{4} - 1}{0. 9 ^{6} - 1}

0. 9^{4} - 1 = - 0.3439

= \frac{- 0.3439}{0. 9 ^{6} - 1}

0. 9^{6} - 1 = - 0.468559

= \frac{- 0.3439}{- 0.468559}

Apply the fraction rule:

\frac{- a}{- b} = \frac{a}{b}

= \frac{0.3439}{0.468559}

Divide the numbers:

\frac{0.3439}{0.468559} = 0.73395 \dots

= 0.73395 \dots

a^{- x}

a x (x + 1)

(- 5) (- 9)

(- 5) (- 8)

(\frac{3}{4} x - 5)^{2}