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\frac{10}{15}+\frac{3}{15}>4
Least common multiple of 3 and 5 is 15. Convert \frac{2}{3} and \frac{1}{5} to fractions with denominator 15.
\frac{10+3}{15}>4
Since \frac{10}{15} and \frac{3}{15} have the same denominator, add them by adding their numerators.
\frac{13}{15}>4
Add 10 and 3 to get 13.
\frac{13}{15}>\frac{60}{15}
Convert 4 to fraction \frac{60}{15}.
\text{false}
Compare \frac{13}{15} and \frac{60}{15}.
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{ x } ^ { 2 } - 4 x - 5 = 0
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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 ) }
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Limits
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