Evaluate
2ab+4b^{2}-3b+1
Differentiate w.r.t. b
2a+8b-3
Quiz
Algebra
5 problems similar to:
2 a ^ { 2 } - 3 a b - 6 + 4 b ^ { 2 } + 7 + 5 a b - 3 b - 2 a ^ { 2 }
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2a^{2}-3ab+1+4b^{2}+5ab-3b-2a^{2}
Add -6 and 7 to get 1.
2a^{2}+2ab+1+4b^{2}-3b-2a^{2}
Combine -3ab and 5ab to get 2ab.
2ab+1+4b^{2}-3b
Combine 2a^{2} and -2a^{2} to get 0.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
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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}