Evaluate
-\frac{56}{169}\approx -0.331360947
Factor
-\frac{56}{169} = -0.33136094674556216
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1-\frac{225}{169}
Calculate \frac{15}{13} to the power of 2 and get \frac{225}{169}.
\frac{169}{169}-\frac{225}{169}
Convert 1 to fraction \frac{169}{169}.
\frac{169-225}{169}
Since \frac{169}{169} and \frac{225}{169} have the same denominator, subtract them by subtracting their numerators.
-\frac{56}{169}
Subtract 225 from 169 to get -56.
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
\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
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