Datrys ar gyfer x
x=12\log_{2}\left(391\right)\approx 103.332297568
Datrys ar gyfer x (complex solution)
x=\frac{2\pi n_{1}i}{\ln(2)}+12\log_{2}\left(391\right)
n_{1}\in \mathrm{Z}
Graff
Rhannu
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12767947514633659874603497973281=2^{x}
Cyfrifo 391 i bŵer 12 a chael 12767947514633659874603497973281.
2^{x}=12767947514633659874603497973281
Cyfnewidiwch yr ochrau fel bod yr holl dermau newidiol ar yr ochr chwith.
\log(2^{x})=\log(12767947514633659874603497973281)
Cymryd logarithm dwy ochr yr hafaliad.
x\log(2)=\log(12767947514633659874603497973281)
Logarithm rhif wedi’i godi i bŵer yw’r pŵer wedi’i lluosi â logarithm y rhif.
x=\frac{\log(12767947514633659874603497973281)}{\log(2)}
Rhannu’r ddwy ochr â \log(2).
x=\log_{2}\left(12767947514633659874603497973281\right)
Gyda’r fformiwla newid-sail \frac{\log(a)}{\log(b)}=\log_{b}\left(a\right).
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