Evaluate
205
Factor
5\times 41
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35+15+20+15+16+21+15+23+30+15
Add 15 and 20 to get 35.
50+20+15+16+21+15+23+30+15
Add 35 and 15 to get 50.
70+15+16+21+15+23+30+15
Add 50 and 20 to get 70.
85+16+21+15+23+30+15
Add 70 and 15 to get 85.
101+21+15+23+30+15
Add 85 and 16 to get 101.
122+15+23+30+15
Add 101 and 21 to get 122.
137+23+30+15
Add 122 and 15 to get 137.
160+30+15
Add 137 and 23 to get 160.
190+15
Add 160 and 30 to get 190.
205
Add 190 and 15 to get 205.
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
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
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}