Evaluate
\frac{4x^{2}+2x+5}{2x^{4}-x^{2}+1}
Expand
\frac{4x^{2}+2x+5}{2x^{4}-x^{2}+1}
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\frac{4x^{2}+2x+5}{1+2x^{4}-x^{2}}
Combine 3x^{2} and x^{2} to get 4x^{2}.
\frac{4x^{2}+2x+5}{1+2x^{4}-x^{2}}
Combine 3x^{2} and x^{2} to get 4x^{2}.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
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y = 3x + 4
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Matrix
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Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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