Enrhifo
\frac{10000000000000000\sqrt{5}}{2679491924311227}-1\approx 7.345119301
Ffactor
\frac{10000000000000000 \sqrt{5}}{2679491924311227} - 1 = 7.345119301
Rhannu
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\frac{1}{2 \cdot 0.2679491924311227} \sqrt{20} - 1
Evaluate trigonometric functions in the problem
\frac{1}{0.5358983848622454}\sqrt{20}-1
Lluosi 2 a 0.2679491924311227 i gael 0.5358983848622454.
\frac{10000000000000000}{5358983848622454}\sqrt{20}-1
Ehangu \frac{1}{0.5358983848622454} drwy luosi'r rhifiadur a'r enwadur gyda 10000000000000000.
\frac{5000000000000000}{2679491924311227}\sqrt{20}-1
Lleihau'r ffracsiwn \frac{10000000000000000}{5358983848622454} i'r graddau lleiaf posib drwy dynnu a chanslo allan 2.
\frac{5000000000000000}{2679491924311227}\times 2\sqrt{5}-1
Ffactora 20=2^{2}\times 5. Ailysgrifennu ail isradd y lluoswm \sqrt{2^{2}\times 5} fel lluoswm ail israddau \sqrt{2^{2}}\sqrt{5}. Cymryd isradd 2^{2}.
\frac{5000000000000000\times 2}{2679491924311227}\sqrt{5}-1
Mynegwch \frac{5000000000000000}{2679491924311227}\times 2 fel ffracsiwn unigol.
\frac{10000000000000000}{2679491924311227}\sqrt{5}-1
Lluosi 5000000000000000 a 2 i gael 10000000000000000.
Enghreifftiau
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