Template:Math/EQ Q2minusHalf01

	$Q_{-\frac{1}{2}}^2(z)$	$=$	$\frac{4zE(k)-(z-1)K(k)}{[2^3(z+1)(z-1{)}^2{]}^{1/2}}$
where:   $k\equiv \sqrt{\frac{2}{z+1}}.$
(see our associated derivation)