Evaluate
\frac{20}{49}\approx 0.408163265
Factor
\frac{5 \cdot 2 ^ {2}}{7 ^ {2}} = 0.40816326530612246
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\frac{0.2}{0.49}
Calculate 0.7 to the power of 2 and get 0.49.
\frac{20}{49}
Expand \frac{0.2}{0.49} by multiplying both numerator and the denominator by 100.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
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699 * 533
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
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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