Enrhifo
55\sqrt{19}\approx 239.739441895
Rhannu
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55\sqrt{19}
Ffactora 57475=55^{2}\times 19. Ailysgrifennu ail isradd y lluoswm \sqrt{55^{2}\times 19} fel lluoswm ail israddau \sqrt{55^{2}}\sqrt{19}. Cymryd isradd 55^{2}.
Enghreifftiau
Hafaliad cwadratig
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Hafaliad llinol
y = 3x + 4
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\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
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\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
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\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}