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Arithmetic
5 problems similar to:
\frac { 1 } { 5 } \cdot - \frac { 5 } { 2 } = \frac { 5 } { 5 }
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\frac{1}{5}\left(-\frac{5}{2}\right)=1
Divide 5 by 5 to get 1.
\frac{1\left(-5\right)}{5\times 2}=1
Multiply \frac{1}{5} times -\frac{5}{2} by multiplying numerator times numerator and denominator times denominator.
\frac{-5}{10}=1
Do the multiplications in the fraction \frac{1\left(-5\right)}{5\times 2}.
-\frac{1}{2}=1
Reduce the fraction \frac{-5}{10} to lowest terms by extracting and canceling out 5.
-\frac{1}{2}=\frac{2}{2}
Convert 1 to fraction \frac{2}{2}.
\text{false}
Compare -\frac{1}{2} and \frac{2}{2}.
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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]
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
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}