Enrhifo
3\sqrt{7}+490\approx 497.937253933
Rhannu
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9+11\times 6^{2}+85+\sqrt{63}
Lluosi 3 a 3 i gael 9.
9+11\times 36+85+\sqrt{63}
Cyfrifo 6 i bŵer 2 a chael 36.
9+396+85+\sqrt{63}
Lluosi 11 a 36 i gael 396.
405+85+\sqrt{63}
Adio 9 a 396 i gael 405.
490+\sqrt{63}
Adio 405 a 85 i gael 490.
490+3\sqrt{7}
Ffactora 63=3^{2}\times 7. Ailysgrifennu ail isradd y lluoswm \sqrt{3^{2}\times 7} fel lluoswm ail israddau \sqrt{3^{2}}\sqrt{7}. Cymryd isradd 3^{2}.
Enghreifftiau
Hafaliad cwadratig
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Hafaliad llinol
y = 3x + 4
Rhifyddeg
699 * 533
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Gwahaniaethu
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Terfynau
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}