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Removing the variable's exponent
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$\sqrt{y^2}=\pm \sqrt{4ax}$
Learn how to solve problems step by step online. Solve the equation y^2=4ax. Removing the variable's exponent. Cancel exponents 2 and \frac{1}{2}. As in the equation we have the sign \pm, this produces two identical equations that differ in the sign of the term \sqrt{4ax}. We write and solve both equations, one taking the positive sign, and the other taking the negative sign. The power of a product is equal to the product of it's factors raised to the same power.