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Solve the exponential equation. 27x = 9 1/3 2/3 3/2

2 Answers

3 votes

Explanation:

solve the exponential 3/2-×=1

User Powkachu
by
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4 votes

Answer:

0.469.

Explanation:

To solve the exponential equation 27x = 9^(1/3) * 2^(2/3) * 3^(3/2), we can use the fact that 27 is equal to 3 raised to the power of 3, and 9 is equal to 3 raised to the power of 2. We can also rewrite 2^(2/3) and 3^(3/2) as powers of 2 and 3 respectively.

So, we have:

27x = 3^(3) * 9^(1/3) * 2^(2/3) * 3^(1/2)

27x = 3^(3) * (3^2)^(1/3) * (2^(2))^(1/3) * (3^(2))^(1/4)

27x = 3^(3) * 3^(2/3) * 2^(2/3) * 3^(1/2 * 2)

27x = 3^(3/3 + 2/3 + 1) * 2^(2/3)

27x = 3^(4/3) * 2^(2/3)

Now we can take the logarithm of both sides with base 3:

log₃(27x) = log₃(3^(4/3) * 2^(2/3))

log₃(27x) = 4/3 * log₃(3) + 2/3 * log₃(2)

log₃(27x) = 4/3 + 2/3 * log₃(2)

Simplifying the right-hand side:

log₃(27x) = 2 + 2/3 * log₃(2)

Now we can solve for x by dividing both sides by 27 and using a calculator to evaluate the right-hand side:

log₃(x) = (2 + 2/3 * log₃(2))/27

x = 3^(2 + 2/3 * log₃(2))/27

Using a calculator, we can approximate x to be x ≈ 0.469. Therefore, the solution to the equation 27x = 9^(1/3) * 2^(2/3) * 3^(3/2) is x ≈ 0.469.