Can a rational number with rational exponent be irrational

1 answer:

4 0

Yes. In general, a rational number with a non-integer exponent is not assured of being rational. (Any prime with a non-integer exponent is irrational, for example.)

2^(1/2) is irrational

(9/25)^(3/2) is rational

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3. What is the solution to the equation 3x = 15? Express the

ivanzaharov [21]

Answer:

x=2.4650

Step-by-step explanation:

I assume that you mean $3^x=15$

so let s use the ln() function

$ln(3^x)= xln(3)=ln(15)$

so x = ln(15)/ln(3)

x = 2.4650

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3 years ago

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4 years ago

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Hope I explain this more clearly for you.

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3 years ago

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Gnesinka [82]