Question

The positive real root of the equation 81x^2 +4 =0 is

Answer 1

Hope this help uh.......!!!!

Answer 2

There is no positive real roots of the equation.

Step-by-step explanation:

Given : Equation $81x^2+4=0$

To find : The positive real root of the equation ?

Solution :

Solving the equation,

$81x^2+4=0$

$81x^2=-4$

$x^2=\frac{-4}{81}$

Taking root both side,

$x=\sqrt{\frac{-4}{81}}$

$x=\pm\frac{2}{9}i$

The roots of the equation are not real.

Therefore, there is no positive real roots of the equation.

#Learn more

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