Solve for y
y=1
x\neq 0
Solve for x
x\neq 0
y=1
Quiz
Complex Number
5 problems similar to:
y = \frac { ( \sqrt { - x ^ { 2 } } ) ^ { 2 } } { - x ^ { 2 } }
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y=\frac{-x^{2}}{-x^{2}}
Calculate \sqrt{-x^{2}} to the power of 2 and get -x^{2}.
y=-\frac{x^{2}}{-x^{2}}
Reorder the terms.
y=-\frac{1}{-1}
Cancel out x^{2} in both numerator and denominator.
y=-\left(-1\right)
Divide 1 by -1 to get -1.
y=1
Multiply -1 and -1 to get 1.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
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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}