EM-2716

Laws of indices

E Math · Secondary 4 · Hard · Laws of indices

Solve the equation

64^{1-x^2}=\frac{1}{4}

. Find the values of

x

.

$x=\pm\dfrac{2\sqrt{3}}{3}$
$x=\pm\dfrac{\sqrt{3}}{2}$
$x=\pm 2\sqrt{3}$
$x=\pm\dfrac{3\sqrt{2}}{2}$

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