SOLUTION: How do I solve the equation 3xsquared=49 using its natural logarithm?

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Question 245968: How do I solve the equation 3xsquared=49 using its natural logarithm?
Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
How do I solve the equation 3xsquared=49 using its natural logarithm?
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3x^2 = 49
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I can't imagine why you would want to use natural logs but here goes.
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ln(3) + 2ln(x) = ln(49)
2ln(x) = ln(49)-ln(3)
2ln(x) = ln(49/3)
2ln(x) = 2.793
ln(x) = 1.397
x = e^1.397
x = 4.041
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Cheers,
Stan H.

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