Evaluate
-\frac{2}{7}\approx -0.285714286
Factor
-\frac{2}{7} = -0.2857142857142857
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-\sqrt{\frac{4}{49}}
Calculate \frac{2}{7} to the power of 2 and get \frac{4}{49}.
-\frac{2}{7}
Rewrite the square root of the division \frac{4}{49} as the division of square roots \frac{\sqrt{4}}{\sqrt{49}}. Take the square root of both numerator and denominator.
Examples
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y = 3x + 4
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Matrix
\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]
Simultaneous equation
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Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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