Datrys ar gyfer x
x=0
Datrys ar gyfer x (complex solution)
x=i\times 2\pi n_{1}\log(e)
n_{1}\in \mathrm{Z}
Graff
Rhannu
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10^{x}-0.2=0.8
Defnyddio rheolau esbonyddion a logarithmau i ddatrys yr hafaliad.
10^{x}=1
Adio 0.2 at ddwy ochr yr hafaliad.
\log(10^{x})=\log(1)
Cymryd logarithm dwy ochr yr hafaliad.
x\log(10)=\log(1)
Logarithm rhif wedi’i godi i bŵer yw’r pŵer wedi’i lluosi â logarithm y rhif.
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