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\frac{\frac{1}{5}}{7^{-1}}=\frac{7}{5}
Calculate 5 to the power of -1 and get \frac{1}{5}.
\frac{\frac{1}{5}}{\frac{1}{7}}=\frac{7}{5}
Calculate 7 to the power of -1 and get \frac{1}{7}.
\frac{1}{5}\times 7=\frac{7}{5}
Divide \frac{1}{5} by \frac{1}{7} by multiplying \frac{1}{5} by the reciprocal of \frac{1}{7}.
\frac{7}{5}=\frac{7}{5}
Multiply \frac{1}{5} and 7 to get \frac{7}{5}.
\text{true}
Compare \frac{7}{5} and \frac{7}{5}.
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{ x } ^ { 2 } - 4 x - 5 = 0
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y = 3x + 4
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Matrix
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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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