Can We Solve a Log System
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- Äas pĆidĂĄn 16. 06. 2024
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first substitute a for log x and b for log y made it easier for me using method 2.
đđđ đđđ
I don't know if it includes all the possible solutions, but at a first glance sqrt(54) is sqrt(2) Ă sqrt(27).
in other words:
2^l1 Ă 3^l2 = 2^ (0.5) Ă 3^(1.5)
and isolating terms:
2^l1 = 2^(0.5)
3^l2 = 3^(1.5)
so: l1 = 0.5 l2 = 1.5
And sure indeed l1 + l2 = 2
x = sqrt(10)
y = sqrt(1000)
I simply looked at 54 and remembered 9 x 6 is 54.
1. The root is 3 x root(3)root(2).
2. Equating the powers of the primes, 2^log(x) = root(2) giving log(x) = 1/2, and 3^log(y) = 3 root(3) giving log(y) = 3/2. Given 1/2 + 3/2 = 2, log(x) + log(y) = 2.
3. The values of x, y are root(10) and 10 root(10) respectively.