Evaluate
3
Factor
3
Quiz
Arithmetic
5 problems similar to:
\frac{ { 38 }^{ 2 } - { 37 }^{ 2 } }{ { 13 }^{ 2 } - { 12 }^{ 2 } }
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\frac{1444-37^{2}}{13^{2}-12^{2}}
Calculate 38 to the power of 2 and get 1444.
\frac{1444-1369}{13^{2}-12^{2}}
Calculate 37 to the power of 2 and get 1369.
\frac{75}{13^{2}-12^{2}}
Subtract 1369 from 1444 to get 75.
\frac{75}{169-12^{2}}
Calculate 13 to the power of 2 and get 169.
\frac{75}{169-144}
Calculate 12 to the power of 2 and get 144.
\frac{75}{25}
Subtract 144 from 169 to get 25.
3
Divide 75 by 25 to get 3.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
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
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}