C-05-Q091mediumsingle_mcqOne solution of xy=y2, y2y=x4 (x≠1)x^y = y^2,\ y^{2y} = x^4\ (x \neq 1)xy=y2, y2y=x4 (x=1) is —a(12, −2)\left(\dfrac{1}{2},\ -2\right)(21, −2)b(1,1)(1, 1)(1,1)c(3,9)(3, 9)(3,9)d(4,2)(4, 2)(4,2)